Q: What is the sum of all factors of the number 172,161 excluding 172,161?
A: 112,383
The factors of the number 172,161 are: 1, 3, 9, 11, 33, 37, 47, 99, 111, 141, 333, 407, 423, 517, 1221, 1551, 1739, 3663, 4653, 5217, 15651, 19129, 57387, 172161.
If you add them up, you will get the total of 172,273. Now subtract 172,161 to get 112,383