81157284

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9127}}^1$

素因数の和:9169

約数の個数: 72

約数和(自身を含む): 232581440

約数和(自身を除く): 151424156

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 9127, 18254, 27381, 36508, 54762, 82143, 109524, 118651, 164286, 173413, 237302, 328572, 346826, 355953, 474604, 520239, 693652, 711906, 1040478, 1067859, 1423812, 1560717, 2080956, 2135718, 2254369, 3121434, 4271436, 4508738, 6242868, 6763107, 9017476, 13526214, 20289321, 27052428, 40578642, 81157284]

約数ペア:

[(1, 81157284), (2, 40578642), (3, 27052428), (4, 20289321), (6, 13526214), (9, 9017476), (12, 6763107), (13, 6242868), (18, 4508738), (19, 4271436), (26, 3121434), (36, 2254369), (38, 2135718), (39, 2080956), (52, 1560717), (57, 1423812), (76, 1067859), (78, 1040478), (114, 711906), (117, 693652), (156, 520239), (171, 474604), (228, 355953), (234, 346826), (247, 328572), (342, 237302), (468, 173413), (494, 164286), (684, 118651), (741, 109524), (988, 82143), (1482, 54762), (2223, 36508), (2964, 27381), (4446, 18254), (8892, 9127)]