Q: What is the sum of all factors of the number 313,551,225 excluding 313,551,225?

A: 291,259,891

Why is 291,259,891 the sum of all factors of 313,551,225, excluding 313,551,225?

The factors of the number 313,551,225 are: 1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 107197, 321591, 535985, 964773, 1393561, 1607955, 2679925, 4180683, 4823865, 6967805, 8039775, 12542049, 20903415, 24119325, 34839025, 62710245, 104517075, 313551225.

If you add them up, you will get the total of 313,551,516. Now subtract 313,551,225 to get 291,259,891