49 has one distinct prime factor, two altogether.
Two: 1 and 97.
Yes.Yes.Yes.Yes.
12 distinct factors: 1 2 3 4 6 8 9 12 18 24 36 72.
The factors of 9 are: 1, 3, 9 The factors of 63 are: 1, 3, 7, 9, 21, 63
1 3 7 9 21 63.
1, 3, 7, 9, 21, 63.
1 3 7 9 21 63.
There can be infinitely many distinct factors.
Six distinct factors Two distinct prime factors
Twelve distinct factors.
All odd numbers with one or two distinct prime factors are deficient. Since 3 and 7 are factors of 63, it must be deficient.
The 6 factors of 63 are 1, 3, 7, 9, 21, and 63. The factor pairs of 63 are 1 x 63, 3 x 21, and 7 x 9. The proper factors of 63 are 1, 3, 7, 9, and 21; possibly not 1, depending on your definition. The prime factors of 63 are 3, 3, and 7. The 2 distinct prime factors of 63 are 3 and 7.
Seven distinct factors.
Three distinct prime factors.
The distinct prime factors of 70 are 2, 5, and 7, so it has three distinct prime factors.
Nine factors.