40971321

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{2017}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 61807304

約数和(自身を除く): 20835983

約数列:

[1, 3, 9, 37, 61, 111, 183, 333, 549, 2017, 2257, 6051, 6771, 18153, 20313, 74629, 123037, 223887, 369111, 671661, 1107333, 4552369, 13657107, 40971321]

約数ペア:

[(1, 40971321), (3, 13657107), (9, 4552369), (37, 1107333), (61, 671661), (111, 369111), (183, 223887), (333, 123037), (549, 74629), (2017, 20313), (2257, 18153), (6051, 6771)]