Q: What is the sum of all factors of the number 980,721 excluding 980,721?
A: 680,079
The factors of the number 980,721 are: 1, 3, 7, 9, 21, 27, 63, 189, 5189, 15567, 36323, 46701, 108969, 140103, 326907, 980721.
If you add them up, you will get the total of 981,401. Now subtract 980,721 to get 680,079