15721286943

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1\times {\mathrm{1861}}^1$

素因数の和:2475

約数の個数: 32

約数和(自身を含む): 21663133632

約数和(自身を除く): 5941846689

約数列:

[1, 3, 41, 123, 173, 397, 519, 1191, 1861, 5583, 7093, 16277, 21279, 48831, 68681, 76301, 206043, 228903, 321953, 738817, 965859, 2216451, 2815921, 8447763, 13200073, 30291497, 39600219, 90874491, 127815341, 383446023, 5240428981, 15721286943]

約数ペア:

[(1, 15721286943), (3, 5240428981), (41, 383446023), (123, 127815341), (173, 90874491), (397, 39600219), (519, 30291497), (1191, 13200073), (1861, 8447763), (5583, 2815921), (7093, 2216451), (16277, 965859), (21279, 738817), (48831, 321953), (68681, 228903), (76301, 206043)]