18675657

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:731

約数の個数: 64

約数和(自身を含む): 37201920

約数和(自身を除く): 18526263

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 91, 99, 117, 143, 189, 231, 273, 297, 351, 429, 691, 693, 819, 1001, 1287, 2073, 2079, 2457, 3003, 3861, 4837, 6219, 7601, 8983, 9009, 14511, 18657, 22803, 26949, 27027, 43533, 53207, 62881, 68409, 80847, 98813, 130599, 159621, 188643, 205227, 242541, 296439, 478863, 565929, 691691, 889317, 1436589, 1697787, 2075073, 2667951, 6225219, 18675657]

約数ペア:

[(1, 18675657), (3, 6225219), (7, 2667951), (9, 2075073), (11, 1697787), (13, 1436589), (21, 889317), (27, 691691), (33, 565929), (39, 478863), (63, 296439), (77, 242541), (91, 205227), (99, 188643), (117, 159621), (143, 130599), (189, 98813), (231, 80847), (273, 68409), (297, 62881), (351, 53207), (429, 43533), (691, 27027), (693, 26949), (819, 22803), (1001, 18657), (1287, 14511), (2073, 9009), (2079, 8983), (2457, 7601), (3003, 6219), (3861, 4837)]