Q: What is the sum of all factors of the number 39,123 excluding 39,123?
A: 30,765
The factors of the number 39,123 are: 1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 483, 567, 621, 1449, 1701, 1863, 4347, 5589, 13041, 39123.
If you add them up, you will get the total of 39,153. Now subtract 39,123 to get 30,765