Q: What is the sum of all factors of the number 1,243,389 excluding 1,243,389?
A: 651,331
The factors of the number 1,243,389 are: 1, 3, 7, 21, 59209, 177627, 414463, 1243389.
If you add them up, you will get the total of 1,244,040. Now subtract 1,243,389 to get 651,331