Q: What is the sum of all factors of the number 321,321,231 excluding 321,321,231?

A: 276,041,457

Why is 276,041,457 the sum of all factors of 321,321,231, excluding 321,321,231?

The factors of the number 321,321,231 are: 1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 217, 231, 279, 341, 651, 693, 1023, 1953, 2387, 3069, 7161, 14957, 21483, 44871, 104699, 134613, 164527, 314097, 463667, 493581, 942291, 1151689, 1391001, 1480743, 3245669, 3455067, 4173003, 5100337, 9737007, 10365201, 15301011, 29211021, 35702359, 45903033, 107107077, 321321231.

If you add them up, you will get the total of 321,321,507. Now subtract 321,321,231 to get 276,041,457