Q: What is the sum of all factors of the number 129,645 excluding 129,645?
A: 103,731
The factors of the number 129,645 are: 1, 3, 5, 9, 15, 43, 45, 67, 129, 201, 215, 335, 387, 603, 645, 1005, 1935, 2881, 3015, 8643, 14405, 25929, 43215, 129645.
If you add them up, you will get the total of 129,748. Now subtract 129,645 to get 103,731