Q: What is the sum of all factors of the number 218,805 excluding 218,805?
A: 144,075
The factors of the number 218,805 are: 1, 3, 5, 15, 29, 87, 145, 435, 503, 1509, 2515, 7545, 14587, 43761, 72935, 218805.
If you add them up, you will get the total of 218,949. Now subtract 218,805 to get 144,075