Q: What is the sum of all factors of the number 399,147 excluding 399,147?
A: 219,093
The factors of the number 399,147 are: 1, 3, 7, 21, 83, 229, 249, 581, 687, 1603, 1743, 4809, 19007, 57021, 133049, 399147.
If you add them up, you will get the total of 399,366. Now subtract 399,147 to get 219,093