408131217

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 684972288

約数和(自身を除く): 276841071

約数列:

[1, 3, 9, 13, 27, 39, 53, 71, 81, 103, 117, 159, 213, 309, 351, 477, 639, 689, 923, 927, 1053, 1339, 1431, 1917, 2067, 2769, 2781, 3763, 4017, 4293, 5459, 5751, 6201, 7313, 8307, 8343, 11289, 12051, 16377, 18603, 21939, 24921, 33867, 36153, 48919, 49131, 55809, 65817, 70967, 74763, 95069, 101601, 108459, 146757, 147393, 197451, 212901, 285207, 304803, 387589, 440271, 442179, 592353, 638703, 855621, 1162767, 1320813, 1916109, 2566863, 3488301, 3962439, 5038657, 5748327, 7700589, 10464903, 15115971, 31394709, 45347913, 136043739, 408131217]

約数ペア:

[(1, 408131217), (3, 136043739), (9, 45347913), (13, 31394709), (27, 15115971), (39, 10464903), (53, 7700589), (71, 5748327), (81, 5038657), (103, 3962439), (117, 3488301), (159, 2566863), (213, 1916109), (309, 1320813), (351, 1162767), (477, 855621), (639, 638703), (689, 592353), (923, 442179), (927, 440271), (1053, 387589), (1339, 304803), (1431, 285207), (1917, 212901), (2067, 197451), (2769, 147393), (2781, 146757), (3763, 108459), (4017, 101601), (4293, 95069), (5459, 74763), (5751, 70967), (6201, 65817), (7313, 55809), (8307, 49131), (8343, 48919), (11289, 36153), (12051, 33867), (16377, 24921), (18603, 21939)]