Q: What is the sum of all factors of the number 136,689 excluding 136,689?
A: 81,423
The factors of the number 136,689 are: 1, 3, 7, 21, 23, 69, 161, 283, 483, 849, 1981, 5943, 6509, 19527, 45563, 136689.
If you add them up, you will get the total of 136,770. Now subtract 136,689 to get 81,423