80996409

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 137625600

約数和(自身を除く): 56629191

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 79, 117, 127, 207, 237, 299, 351, 381, 621, 711, 897, 1027, 1143, 1651, 1817, 2133, 2691, 2921, 3081, 3429, 4953, 5451, 8073, 8763, 9243, 10033, 14859, 16353, 23621, 26289, 27729, 30099, 37973, 44577, 49059, 70863, 78867, 90297, 113919, 130429, 212589, 230759, 270891, 341757, 391287, 637767, 692277, 1025271, 1173861, 2076831, 2999867, 3521583, 6230493, 8999601, 26998803, 80996409]

約数ペア:

[(1, 80996409), (3, 26998803), (9, 8999601), (13, 6230493), (23, 3521583), (27, 2999867), (39, 2076831), (69, 1173861), (79, 1025271), (117, 692277), (127, 637767), (207, 391287), (237, 341757), (299, 270891), (351, 230759), (381, 212589), (621, 130429), (711, 113919), (897, 90297), (1027, 78867), (1143, 70863), (1651, 49059), (1817, 44577), (2133, 37973), (2691, 30099), (2921, 27729), (3081, 26289), (3429, 23621), (4953, 16353), (5451, 14859), (8073, 10033), (8763, 9243)]