Q: What is the sum of all factors of the number 305,439 excluding 305,439?
A: 137,793
The factors of the number 305,439 are: 1, 3, 17, 51, 53, 113, 159, 339, 901, 1921, 2703, 5763, 5989, 17967, 101813, 305439.
If you add them up, you will get the total of 305,576. Now subtract 305,439 to get 137,793