It can have any number: from none upwards.
The number 175 is an odd number. This number, 175 has four positive factors (35,5 and 25,7). These number are all positive and when multiplies equal 175.
30
Three of them.
Eight of them.
There are 44 positive integers less than 2,010 that have an odd number of factors.
The number 853 is prime - it has no positive integer factors other than itself and 1.
Two. 101 is a prime number; its only factors are 1 and itself.
The number 83 is prime. The only positive integer factors of 83 are itself and 1.
Including itself and 1, the number 7429 has eight positive integer factors. They are: 1, 17, 19, 23, 323, 391, 437, 7429
A prime number is a positive integer that has exactly two factors - 1 and itself. A prime number has only two factors which are itself and one.
Five of them.
We usually don't consider negative integers as factors of positive numbers, only negative ones. The number of negative factors will be the same as the number of positive ones, nine in this case.