Q: What is the sum of all factors of the number 1,620,129 excluding 1,620,129?
A: 868,191
The factors of the number 1,620,129 are: 1, 3, 7, 21, 179, 431, 537, 1253, 1293, 3017, 3759, 9051, 77149, 231447, 540043, 1620129.
If you add them up, you will get the total of 1,620,997. Now subtract 1,620,129 to get 868,191