Q: What is the sum of all factors of the number 1,683 excluding 1,683?
A: 1,125
The factors of the number 1,683 are: 1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683.
If you add them up, you will get the total of 1,684. Now subtract 1,683 to get 1,125