Q: What is the sum of all factors of the number 125,420,451 excluding 125,420,451?

A: 61,707,357

Why is 61,707,357 the sum of all factors of 125,420,451, excluding 125,420,451?

The factors of the number 125,420,451 are: 1, 3, 13, 31, 39, 93, 227, 403, 457, 681, 1209, 1371, 2951, 5941, 7037, 8853, 14167, 17823, 21111, 42501, 91481, 103739, 184171, 274443, 311217, 552513, 1348607, 3215909, 4045821, 9647727, 41806817, 125420451.

If you add them up, you will get the total of 125,420,512. Now subtract 125,420,451 to get 61,707,357