Q: What is the sum of all factors of the number 515,631,231 excluding 515,631,231?

A: 263,931,969

Why is 263,931,969 the sum of all factors of 515,631,231, excluding 515,631,231?

The factors of the number 515,631,231 are: 1, 3, 9, 27, 61, 183, 337, 549, 929, 1011, 1647, 2787, 3033, 8361, 9099, 20557, 25083, 56669, 61671, 170007, 185013, 313073, 510021, 555039, 939219, 1530063, 2817657, 8452971, 19097453, 57292359, 171877077, 515631231.

If you add them up, you will get the total of 515,631,494. Now subtract 515,631,231 to get 263,931,969