Q: What is the sum of all factors of the number 1,228,521 excluding 1,228,521?
A: 742,679
The factors of the number 1,228,521 are: 1, 3, 7, 19, 21, 57, 133, 399, 3079, 9237, 21553, 58501, 64659, 175503, 409507, 1228521.
If you add them up, you will get the total of 1,229,263. Now subtract 1,228,521 to get 742,679