Q: What is the sum of all factors of the number 489,903 excluding 489,903?
A: 172,545
The factors of the number 489,903 are: 1, 3, 73, 219, 2237, 6711, 163301, 489903.
If you add them up, you will get the total of 490,075. Now subtract 489,903 to get 172,545