Q: What is the sum of all factors of the number 1,998,609 excluding 1,998,609?
A: 666,207
The factors of the number 1,998,609 are: 1, 3, 666203, 1998609.
If you add them up, you will get the total of 1,999,275. Now subtract 1,998,609 to get 666,207