Q: What is the sum of all factors of the number 6,909 excluding 6,909?
A: 4,035
The factors of the number 6,909 are: 1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 6909.
If you add them up, you will get the total of 6,913. Now subtract 6,909 to get 4,035