Q: What is the sum of all factors of the number 661,791 excluding 661,791?
A: 305,889
The factors of the number 661,791 are: 1, 3, 13, 39, 71, 213, 239, 717, 923, 2769, 3107, 9321, 16969, 50907, 220597, 661791.
If you add them up, you will get the total of 662,096. Now subtract 661,791 to get 305,889