Q: What is the sum of all factors of the number 1,331,613 excluding 1,331,613?
A: 660,387
The factors of the number 1,331,613 are: 1, 3, 9, 27, 149, 331, 447, 993, 1341, 2979, 4023, 8937, 49319, 147957, 443871, 1331613.
If you add them up, you will get the total of 1,332,273. Now subtract 1,331,613 to get 660,387