81618642

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:468

約数の個数: 96

約数和(自身を含む): 215454720

約数和(自身を除く): 133836078

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 103, 114, 126, 133, 171, 206, 266, 309, 331, 342, 399, 618, 662, 721, 798, 927, 993, 1197, 1442, 1854, 1957, 1986, 2163, 2317, 2394, 2979, 3914, 4326, 4634, 5871, 5958, 6289, 6489, 6951, 11742, 12578, 12978, 13699, 13902, 17613, 18867, 20853, 27398, 34093, 35226, 37734, 41097, 41706, 44023, 56601, 68186, 82194, 88046, 102279, 113202, 123291, 132069, 204558, 238651, 246582, 264138, 306837, 396207, 477302, 613674, 647767, 715953, 792414, 1295534, 1431906, 1943301, 2147859, 3886602, 4295718, 4534369, 5829903, 9068738, 11659806, 13603107, 27206214, 40809321, 81618642]

約数ペア:

[(1, 81618642), (2, 40809321), (3, 27206214), (6, 13603107), (7, 11659806), (9, 9068738), (14, 5829903), (18, 4534369), (19, 4295718), (21, 3886602), (38, 2147859), (42, 1943301), (57, 1431906), (63, 1295534), (103, 792414), (114, 715953), (126, 647767), (133, 613674), (171, 477302), (206, 396207), (266, 306837), (309, 264138), (331, 246582), (342, 238651), (399, 204558), (618, 132069), (662, 123291), (721, 113202), (798, 102279), (927, 88046), (993, 82194), (1197, 68186), (1442, 56601), (1854, 44023), (1957, 41706), (1986, 41097), (2163, 37734), (2317, 35226), (2394, 34093), (2979, 27398), (3914, 20853), (4326, 18867), (4634, 17613), (5871, 13902), (5958, 13699), (6289, 12978), (6489, 12578), (6951, 11742)]