Q: What is the sum of all factors of the number 1,287,809 excluding 1,287,809?
A: 12,607
The factors of the number 1,287,809 are: 1, 103, 12503, 1287809.
If you add them up, you will get the total of 1,287,821. Now subtract 1,287,809 to get 12,607