Q: What is the sum of all factors of the number 870,207 excluding 870,207?
A: 405,921
The factors of the number 870,207 are: 1, 3, 13, 39, 53, 159, 421, 689, 1263, 2067, 5473, 16419, 22313, 66939, 290069, 870207.
If you add them up, you will get the total of 870,612. Now subtract 870,207 to get 405,921