620385921

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{4397}}^1$

素因数の和:4721

約数の個数: 24

約数和(自身を含む): 914555304

約数和(自身を除く): 294169383

約数列:

[1, 3, 9, 61, 183, 257, 549, 771, 2313, 4397, 13191, 15677, 39573, 47031, 141093, 268217, 804651, 1130029, 2413953, 3390087, 10170261, 68931769, 206795307, 620385921]

約数ペア:

[(1, 620385921), (3, 206795307), (9, 68931769), (61, 10170261), (183, 3390087), (257, 2413953), (549, 1130029), (771, 804651), (2313, 268217), (4397, 141093), (13191, 47031), (15677, 39573)]