Q: What is the sum of all factors of the number 123,009 excluding 123,009?
A: 42,783
The factors of the number 123,009 are: 1, 3, 131, 313, 393, 939, 41003, 123009.
If you add them up, you will get the total of 123,051. Now subtract 123,009 to get 42,783