Q: What is the sum of all factors of the number 820,989 excluding 820,989?
A: 489,411
The factors of the number 820,989 are: 1, 3, 9, 13, 27, 39, 117, 351, 2339, 7017, 21051, 30407, 63153, 91221, 273663, 820989.
If you add them up, you will get the total of 821,478. Now subtract 820,989 to get 489,411