51580197

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2113

約数の個数: 24

約数和(自身を含む): 77376000

約数和(自身を除く): 25795803

約数列:

[1, 3, 9, 47, 61, 141, 183, 423, 549, 1999, 2867, 5997, 8601, 17991, 25803, 93953, 121939, 281859, 365817, 845577, 1097451, 5731133, 17193399, 51580197]

約数ペア:

[(1, 51580197), (3, 17193399), (9, 5731133), (47, 1097451), (61, 845577), (141, 365817), (183, 281859), (423, 121939), (549, 93953), (1999, 25803), (2867, 17991), (5997, 8601)]