Q: What is the sum of all factors of the number 1,971,561 excluding 1,971,561?
A: 657,191
The factors of the number 1,971,561 are: 1, 3, 657187, 1971561.
If you add them up, you will get the total of 1,972,218. Now subtract 1,971,561 to get 657,191