Q: What is the sum of all factors of the number 420,243 excluding 420,243?
A: 145,005
The factors of the number 420,243 are: 1, 3, 127, 381, 1103, 3309, 140081, 420243.
If you add them up, you will get the total of 420,388. Now subtract 420,243 to get 145,005