Q: What is the sum of all factors of the number 137,445 excluding 137,445?

A: 158,043

Why is 158,043 the sum of all factors of 137,445, excluding 137,445?

The factors of the number 137,445 are: 1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 49, 51, 55, 77, 85, 105, 119, 147, 165, 187, 231, 245, 255, 357, 385, 539, 561, 595, 735, 833, 935, 1155, 1309, 1617, 1785, 2499, 2695, 2805, 3927, 4165, 6545, 8085, 9163, 12495, 19635, 27489, 45815, 137445.

If you add them up, you will get the total of 137,603. Now subtract 137,445 to get 158,043