Q: What is the sum of all factors of the number 2,115,309 excluding 2,115,309?
A: 1,128,723
The factors of the number 2,115,309 are: 1, 3, 7, 21, 263, 383, 789, 1149, 1841, 2681, 5523, 8043, 100729, 302187, 705103, 2115309.
If you add them up, you will get the total of 2,115,310. Now subtract 2,115,309 to get 1,128,723