Q: What is the sum of all factors of the number 1,197 excluding 1,197?
A: 883
The factors of the number 1,197 are: 1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197.
If you add them up, you will get the total of 2,080. Now subtract 1,197 to get 883