Q: What is the sum of all factors of the number 1,890,639 excluding 1,890,639?
A: 840,297
The factors of the number 1,890,639 are: 1, 3, 9, 210071, 630213, 1890639.
If you add them up, you will get the total of 1,891,479. Now subtract 1,890,639 to get 840,297