Q: What is the sum of all factors of the number 172,716,561 excluding 172,716,561?
A: 77,693,859
The factors of the number 172,716,561 are: 1, 3, 9, 269, 807, 2421, 71341, 214023, 642069, 19190729, 57572187, 172716561.
If you add them up, you will get the total of 172,716,638. Now subtract 172,716,561 to get 77,693,859