66774321

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{40543}}^1$

素因数の和:40613

約数の個数: 16

約数和(自身を含む): 100549120

約数和(自身を除く): 33774799

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 40543, 121629, 364887, 1094661, 2473123, 7419369, 22258107, 66774321]

約数ペア:

[(1, 66774321), (3, 22258107), (9, 7419369), (27, 2473123), (61, 1094661), (183, 364887), (549, 121629), (1647, 40543)]