Q: What is the sum of all factors of the number 643,621,707 excluding 643,621,707?
A: 321,370,505
The factors of the number 643,621,707 are: 1, 3, 9, 27, 81, 243, 729, 882883, 2648649, 7945947, 23837841, 71513523, 214540569, 643621707.
If you add them up, you will get the total of 643,622,028. Now subtract 643,621,707 to get 321,370,505