Q: What is the sum of all factors of the number 720,225 excluding 720,225?

A: 738,015

Why is 738,015 the sum of all factors of 720,225, excluding 720,225?

The factors of the number 720,225 are: 1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 97, 99, 135, 165, 225, 275, 291, 297, 485, 495, 675, 825, 873, 1067, 1455, 1485, 2425, 2475, 2619, 3201, 4365, 5335, 7275, 7425, 9603, 13095, 16005, 21825, 26675, 28809, 48015, 65475, 80025, 144045, 240075, 720225.

If you add them up, you will get the total of 720,963. Now subtract 720,225 to get 738,015