Q: What is the sum of all factors of the number 213,111,999 including 213,111,999?

A: 340,102,400

Why is 340,102,400 the sum of all factors of 213,111,999, including 213,111,999?

The factors of the number 213,111,999 are: 1, 3, 9, 19, 27, 43, 57, 129, 171, 387, 513, 817, 1161, 2451, 7353, 9661, 22059, 28983, 86949, 183559, 260847, 415423, 550677, 1246269, 1652031, 3738807, 4956093, 7893037, 11216421, 23679111, 71037333, 213111999.

If you add them up, you will get the total of 340,102,400.