Q: What is the sum of all factors of the number 105,245,355 excluding 105,245,355?

A: 71,300,949

Why is 71,300,949 the sum of all factors of 105,245,355, excluding 105,245,355?

The factors of the number 105,245,355 are: 1, 3, 5, 15, 23, 69, 115, 257, 345, 771, 1187, 1285, 3561, 3855, 5911, 5935, 17733, 17805, 27301, 29555, 81903, 88665, 136505, 305059, 409515, 915177, 1525295, 4575885, 7016357, 21049071, 35081785, 105245355.

If you add them up, you will get the total of 105,245,426. Now subtract 105,245,355 to get 71,300,949