81604026

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{647651}}^1$

素因数の和:647666

約数の個数: 24

約数和(自身を含む): 202067424

約数和(自身を除く): 120463398

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 647651, 1295302, 1942953, 3885906, 4533557, 5828859, 9067114, 11657718, 13600671, 27201342, 40802013, 81604026]

約数ペア:

[(1, 81604026), (2, 40802013), (3, 27201342), (6, 13600671), (7, 11657718), (9, 9067114), (14, 5828859), (18, 4533557), (21, 3885906), (42, 1942953), (63, 1295302), (126, 647651)]