Q: What is the sum of all factors of the number 258,909 excluding 258,909?
A: 135,651
The factors of the number 258,909 are: 1, 3, 7, 21, 12329, 36987, 86303, 258909.
If you add them up, you will get the total of 259,044. Now subtract 258,909 to get 135,651