399380481

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{4463}}^1$

素因数の和:4693

約数の個数: 24

約数和(自身を含む): 590069376

約数和(自身を除く): 190688895

約数列:

[1, 3, 9, 61, 163, 183, 489, 549, 1467, 4463, 9943, 13389, 29829, 40167, 89487, 272243, 727469, 816729, 2182407, 2450187, 6547221, 44375609, 133126827, 399380481]

約数ペア:

[(1, 399380481), (3, 133126827), (9, 44375609), (61, 6547221), (163, 2450187), (183, 2182407), (489, 816729), (549, 727469), (1467, 272243), (4463, 89487), (9943, 40167), (13389, 29829)]