121509921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163981}}^1$

素因数の和:164016

約数の個数: 16

約数和(自身を含む): 183659840

約数和(自身を除く): 62149919

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 163981, 491943, 2131753, 3115639, 6395259, 9346917, 40503307, 121509921]

約数ペア:

[(1, 121509921), (3, 40503307), (13, 9346917), (19, 6395259), (39, 3115639), (57, 2131753), (247, 491943), (741, 163981)]