Q: What is the sum of all factors of the number 399,879 including 399,879?
A: 583,336
The factors of the number 399,879 are: 1, 3, 9, 157, 283, 471, 849, 1413, 2547, 44431, 133293, 399879.
If you add them up, you will get the total of 583,336.