Q: What is the sum of all factors of the number 669,963 excluding 669,963?
A: 369,653
The factors of the number 669,963 are: 1, 3, 7, 21, 61, 183, 427, 523, 1281, 1569, 3661, 10983, 31903, 95709, 223321, 669963.
If you add them up, you will get the total of 670,332. Now subtract 669,963 to get 369,653