Q: What is the sum of all factors of the number 212,823 excluding 212,823?
A: 140,985
The factors of the number 212,823 are: 1, 3, 9, 13, 17, 39, 51, 107, 117, 153, 221, 321, 663, 963, 1391, 1819, 1989, 4173, 5457, 12519, 16371, 23647, 70941, 212823.
If you add them up, you will get the total of 212,963. Now subtract 212,823 to get 140,985