Q: What is the sum of all factors of the number 765,625,581 excluding 765,625,581?

A: 532,417,299

Why is 532,417,299 the sum of all factors of 765,625,581, excluding 765,625,581?

The factors of the number 765,625,581 are: 1, 3, 7, 9, 21, 27, 63, 189, 887, 2661, 4567, 6209, 7983, 13701, 18627, 23949, 31969, 41103, 55881, 95907, 123309, 167643, 287721, 863163, 4050929, 12152787, 28356503, 36458361, 85069509, 109375083, 255208527, 765625581.

If you add them up, you will get the total of 765,626,113. Now subtract 765,625,581 to get 532,417,299