Add them up. The factors of 9 are 1, 3 and 9. The sum of the factors is 13.
Chat with our AI personalities
The prime factors of 28 are 2 and 7. Their sum is 9.
Factors for 20 are: 1, 2, 4, 5, 10, 20 Prime Factors: 2, 5 sum of prime factors = 2 + 5 = 7
2 and 15 5 and 12
154 is the sum of the proper factors of 256.
Find the prime factorization. Identify the distinct prime factors. Add them up.