Q: What is the sum of all factors of the number 1,991,247 excluding 1,991,247?
A: 728,673
The factors of the number 1,991,247 are: 1, 3, 41, 123, 16189, 48567, 663749, 1991247.
If you add them up, you will get the total of 1,991,975. Now subtract 1,991,247 to get 728,673