Q: What is the sum of all factors of the number 12,120,309 excluding 12,120,309?
A: 6,308,491
The factors of the number 12,120,309 are: 1, 3, 9, 19, 57, 171, 70879, 212637, 637911, 1346701, 4040103, 12120309.
If you add them up, you will get the total of 12,120,315. Now subtract 12,120,309 to get 6,308,491