66330663

素因数分解:

$3^1\times 7^2\times {\mathrm{491}}^1\times {\mathrm{919}}^1$

素因数の和:1427

約数の個数: 24

約数和(自身を含む): 103201920

約数和(自身を除く): 36871257

約数列:

[1, 3, 7, 21, 49, 147, 491, 919, 1473, 2757, 3437, 6433, 10311, 19299, 24059, 45031, 72177, 135093, 451229, 1353687, 3158603, 9475809, 22110221, 66330663]

約数ペア:

[(1, 66330663), (3, 22110221), (7, 9475809), (21, 3158603), (49, 1353687), (147, 451229), (491, 135093), (919, 72177), (1473, 45031), (2757, 24059), (3437, 19299), (6433, 10311)]