Q: What is the sum of all factors of the number 399,249 excluding 399,249?
A: 229,743
The factors of the number 399,249 are: 1, 3, 9, 27, 31, 53, 81, 93, 159, 243, 279, 477, 837, 1431, 1643, 2511, 4293, 4929, 7533, 12879, 14787, 44361, 133083, 399249.
If you add them up, you will get the total of 399,478. Now subtract 399,249 to get 229,743