Q: What is the sum of all factors of the number 869,535 excluding 869,535?

A: 785,745

Why is 785,745 the sum of all factors of 869,535, excluding 869,535?

The factors of the number 869,535 are: 1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 113, 135, 171, 285, 339, 405, 513, 565, 855, 1017, 1539, 1695, 2147, 2565, 3051, 5085, 6441, 7695, 9153, 10735, 15255, 19323, 32205, 45765, 57969, 96615, 173907, 289845, 869535.

If you add them up, you will get the total of 870,320. Now subtract 869,535 to get 785,745