55231281

素因数分解:

$3^3\times 7^2\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 96307200

約数和(自身を除く): 41075919

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 109, 147, 189, 327, 383, 441, 763, 981, 1149, 1323, 2289, 2681, 2943, 3447, 5341, 6867, 8043, 10341, 16023, 18767, 20601, 24129, 41747, 48069, 56301, 72387, 125241, 144207, 168903, 292229, 375723, 506709, 876687, 1127169, 2045603, 2630061, 6136809, 7890183, 18410427, 55231281]

約数ペア:

[(1, 55231281), (3, 18410427), (7, 7890183), (9, 6136809), (21, 2630061), (27, 2045603), (49, 1127169), (63, 876687), (109, 506709), (147, 375723), (189, 292229), (327, 168903), (383, 144207), (441, 125241), (763, 72387), (981, 56301), (1149, 48069), (1323, 41747), (2289, 24129), (2681, 20601), (2943, 18767), (3447, 16023), (5341, 10341), (6867, 8043)]