426593313

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{21001}}^1$

素因数の和:21105

約数の個数: 24

約数和(自身を含む): 643249256

約数和(自身を除く): 216655943

約数列:

[1, 3, 9, 37, 61, 111, 183, 333, 549, 2257, 6771, 20313, 21001, 63003, 189009, 777037, 1281061, 2331111, 3843183, 6993333, 11529549, 47399257, 142197771, 426593313]

約数ペア:

[(1, 426593313), (3, 142197771), (9, 47399257), (37, 11529549), (61, 6993333), (111, 3843183), (183, 2331111), (333, 1281061), (549, 777037), (2257, 189009), (6771, 63003), (20313, 21001)]