Q: What is the sum of all factors of the number 309,123 excluding 309,123?
A: 153,157
The factors of the number 309,123 are: 1, 3, 9, 27, 107, 321, 963, 2889, 11449, 34347, 103041, 309123.
If you add them up, you will get the total of 309,276. Now subtract 309,123 to get 153,157