Q: What is the sum of all factors of the number 27,909 excluding 27,909?
A: 18,267
The factors of the number 27,909 are: 1, 3, 7, 9, 21, 63, 443, 1329, 3101, 3987, 9303, 27909.
If you add them up, you will get the total of 27,927. Now subtract 27,909 to get 18,267