Q: What is the sum of all factors of the number 420,009 excluding 420,009?
A: 143,703
The factors of the number 420,009 are: 1, 3, 191, 573, 733, 2199, 140003, 420009.
If you add them up, you will get the total of 420,152. Now subtract 420,009 to get 143,703