Q: What is the sum of all factors of the number 405,123 excluding 405,123?
A: 141,885
The factors of the number 405,123 are: 1, 3, 83, 249, 1627, 4881, 135041, 405123.
If you add them up, you will get the total of 405,264. Now subtract 405,123 to get 141,885