Q: What is the sum of all factors of the number 861,721 excluding 861,721?
A: 128,999
The factors of the number 861,721 are: 1, 7, 257, 479, 1799, 3353, 123103, 861721.
If you add them up, you will get the total of 861,849. Now subtract 861,721 to get 128,999