Q: What is the sum of all factors of the number 12,879 excluding 12,879?
A: 6,777
The factors of the number 12,879 are: 1, 3, 9, 27, 53, 81, 159, 243, 477, 1431, 4293, 12879.
If you add them up, you will get the total of 12,885. Now subtract 12,879 to get 6,777