Q: What is the sum of all factors of the number 1,681,489 excluding 1,681,489?
A: 2,991
The factors of the number 1,681,489 are: 1, 751, 2239, 1681489.
If you add them up, you will get the total of 1,681,491. Now subtract 1,681,489 to get 2,991