Q: What is the sum of all factors of the number 208,971 excluding 208,971?
A: 150,453
The factors of the number 208,971 are: 1, 3, 7, 9, 21, 31, 63, 93, 107, 217, 279, 321, 651, 749, 963, 1953, 2247, 3317, 6741, 9951, 23219, 29853, 69657, 208971.
If you add them up, you will get the total of 209,121. Now subtract 208,971 to get 150,453