Q: What is the sum of all factors of the number 1,263,609 excluding 1,263,609?
A: 561,617
The factors of the number 1,263,609 are: 1, 3, 9, 140401, 421203, 1263609.
If you add them up, you will get the total of 1,264,170. Now subtract 1,263,609 to get 561,617