Q: What is the sum of all factors of the number 120,309 excluding 120,309?
A: 74,379
The factors of the number 120,309 are: 1, 3, 7, 17, 21, 51, 119, 337, 357, 1011, 2359, 5729, 7077, 17187, 40103, 120309.
If you add them up, you will get the total of 120,383. Now subtract 120,309 to get 74,379