2921121

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 4867200

約数和(自身を除く): 1946079

約数列:

[1, 3, 7, 9, 21, 63, 199, 233, 597, 699, 1393, 1631, 1791, 2097, 4179, 4893, 12537, 14679, 46367, 139101, 324569, 417303, 973707, 2921121]

約数ペア:

[(1, 2921121), (3, 973707), (7, 417303), (9, 324569), (21, 139101), (63, 46367), (199, 14679), (233, 12537), (597, 4893), (699, 4179), (1393, 2097), (1631, 1791)]