Q: What is the sum of all factors of the number 309,879 excluding 309,879?
A: 170,121
The factors of the number 309,879 are: 1, 3, 9, 23, 27, 69, 207, 499, 621, 1497, 4491, 11477, 13473, 34431, 103293, 309879.
If you add them up, you will get the total of 310,049. Now subtract 309,879 to get 170,121