Q: What is the sum of all factors of the number 23,309 excluding 23,309?
A: 4,243
The factors of the number 23,309 are: 1, 11, 13, 143, 163, 1793, 2119, 23309.
If you add them up, you will get the total of 23,313. Now subtract 23,309 to get 4,243