Why is 8,009 the sum of all factors of 17,991, excluding 17,991?
The factors of the number 17,991 are: 1, 3, 9, 1999, 5997, 17991.
If you add them up, you will get the total of 17,999. Now subtract 17,991 to get 8,009
More numbers for you to try...
Try the
factor calculator