Q: What is the sum of all factors of the number 12,720,141 excluding 12,720,141?
A: 8,278,291
The factors of the number 12,720,141 are: 1, 3, 7, 9, 21, 63, 201907, 605721, 1413349, 1817163, 4240047, 12720141.
If you add them up, you will get the total of 12,720,149. Now subtract 12,720,141 to get 8,278,291