Q: What is the sum of all factors of the number 204,243,123 excluding 204,243,123?

A: 117,804,877

Why is 117,804,877 the sum of all factors of 204,243,123, excluding 204,243,123?

The factors of the number 204,243,123 are: 1, 3, 7, 21, 49, 73, 147, 219, 343, 511, 1029, 1533, 2719, 3577, 8157, 10731, 19033, 25039, 57099, 75117, 133231, 198487, 399693, 595461, 932617, 1389409, 2797851, 4168227, 9725863, 29177589, 68081041, 204243123.

If you add them up, you will get the total of 204,243,240. Now subtract 204,243,123 to get 117,804,877