57681

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:65

約数の個数: 24

約数和(自身を含む): 98280

約数和(自身を除く): 40599

約数列:

[1, 3, 9, 13, 17, 29, 39, 51, 87, 117, 153, 221, 261, 377, 493, 663, 1131, 1479, 1989, 3393, 4437, 6409, 19227, 57681]

約数ペア:

[(1, 57681), (3, 19227), (9, 6409), (13, 4437), (17, 3393), (29, 1989), (39, 1479), (51, 1131), (87, 663), (117, 493), (153, 377), (221, 261)]