127638018

素因数分解:

$2^1\times 3^4\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:381

約数の個数: 80

約数和(自身を含む): 297845856

約数和(自身を除く): 170207838

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 73, 81, 86, 129, 146, 162, 219, 251, 258, 387, 438, 502, 657, 753, 774, 1161, 1314, 1506, 1971, 2259, 2322, 3139, 3483, 3942, 4518, 5913, 6278, 6777, 6966, 9417, 10793, 11826, 13554, 18323, 18834, 20331, 21586, 28251, 32379, 36646, 40662, 54969, 56502, 64758, 84753, 97137, 109938, 164907, 169506, 194274, 254259, 291411, 329814, 494721, 508518, 582822, 787889, 874233, 989442, 1484163, 1575778, 1748466, 2363667, 2968326, 4727334, 7091001, 14182002, 21273003, 42546006, 63819009, 127638018]

約数ペア:

[(1, 127638018), (2, 63819009), (3, 42546006), (6, 21273003), (9, 14182002), (18, 7091001), (27, 4727334), (43, 2968326), (54, 2363667), (73, 1748466), (81, 1575778), (86, 1484163), (129, 989442), (146, 874233), (162, 787889), (219, 582822), (251, 508518), (258, 494721), (387, 329814), (438, 291411), (502, 254259), (657, 194274), (753, 169506), (774, 164907), (1161, 109938), (1314, 97137), (1506, 84753), (1971, 64758), (2259, 56502), (2322, 54969), (3139, 40662), (3483, 36646), (3942, 32379), (4518, 28251), (5913, 21586), (6278, 20331), (6777, 18834), (6966, 18323), (9417, 13554), (10793, 11826)]