Q: What is the sum of all factors of the number 644,139 excluding 644,139?
A: 310,181
The factors of the number 644,139 are: 1, 3, 9, 27, 23857, 71571, 214713, 644139.
If you add them up, you will get the total of 644,449. Now subtract 644,139 to get 310,181