Q: What is the sum of all factors of the number 121,543,215 excluding 121,543,215?
A: 73,244,721
The factors of the number 121,543,215 are: 1, 3, 5, 15, 641, 1923, 3205, 9615, 12641, 37923, 63205, 189615, 8102881, 24308643, 40514405, 121543215.
If you add them up, you will get the total of 121,543,288. Now subtract 121,543,215 to get 73,244,721