Q: What is the sum of all factors of the number 216,801 excluding 216,801?
A: 143,559
The factors of the number 216,801 are: 1, 3, 9, 13, 17, 39, 51, 109, 117, 153, 221, 327, 663, 981, 1417, 1853, 1989, 4251, 5559, 12753, 16677, 24089, 72267, 216801.
If you add them up, you will get the total of 216,944. Now subtract 216,801 to get 143,559