Q: What is the sum of all factors of the number 1,200,561 excluding 1,200,561?
A: 400,191
The factors of the number 1,200,561 are: 1, 3, 400187, 1200561.
If you add them up, you will get the total of 1,200,961. Now subtract 1,200,561 to get 400,191