Q: What is the sum of all factors of the number 81,729 excluding 81,729?
A: 40,481
The factors of the number 81,729 are: 1, 3, 9, 27, 81, 1009, 3027, 9081, 27243, 81729.
If you add them up, you will get the total of 81,769. Now subtract 81,729 to get 40,481