Q: What is the sum of all factors of the number 615,312,255 excluding 615,312,255?

A: 397,689,729

Why is 397,689,729 the sum of all factors of 615,312,255, excluding 615,312,255?

The factors of the number 615,312,255 are: 1, 3, 5, 15, 67, 73, 201, 219, 335, 365, 1005, 1095, 4891, 8387, 14673, 24455, 25161, 41935, 73365, 125805, 561929, 612251, 1685787, 1836753, 2809645, 3061255, 8428935, 9183765, 41020817, 123062451, 205104085, 615312255.

If you add them up, you will get the total of 615,312,652. Now subtract 615,312,255 to get 397,689,729