Q: What is the sum of all factors of the number 306,243 excluding 306,243?
A: 199,405
The factors of the number 306,243 are: 1, 3, 7, 9, 21, 63, 4861, 14583, 34027, 43749, 102081, 306243.
If you add them up, you will get the total of 306,442. Now subtract 306,243 to get 199,405