Q: What is the sum of all factors of the number 1,323 excluding 1,323?
A: 957
The factors of the number 1,323 are: 1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323.
If you add them up, you will get the total of 2,280. Now subtract 1,323 to get 957