81168633

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 156549120

約数和(自身を除く): 75380487

約数列:

[1, 3, 7, 9, 13, 21, 23, 31, 39, 63, 69, 91, 93, 117, 139, 161, 207, 217, 273, 279, 299, 403, 417, 483, 651, 713, 819, 897, 973, 1209, 1251, 1449, 1807, 1953, 2093, 2139, 2691, 2821, 2919, 3197, 3627, 4309, 4991, 5421, 6279, 6417, 8463, 8757, 9269, 9591, 12649, 12927, 14973, 16263, 18837, 22379, 25389, 27807, 28773, 30163, 37947, 38781, 41561, 44919, 56017, 64883, 67137, 83421, 90489, 99107, 113841, 124683, 168051, 194649, 201411, 271467, 290927, 297321, 374049, 392119, 504153, 583947, 693749, 872781, 891963, 1176357, 1288391, 2081247, 2618343, 3529071, 3865173, 6243741, 9018737, 11595519, 27056211, 81168633]

約数ペア:

[(1, 81168633), (3, 27056211), (7, 11595519), (9, 9018737), (13, 6243741), (21, 3865173), (23, 3529071), (31, 2618343), (39, 2081247), (63, 1288391), (69, 1176357), (91, 891963), (93, 872781), (117, 693749), (139, 583947), (161, 504153), (207, 392119), (217, 374049), (273, 297321), (279, 290927), (299, 271467), (403, 201411), (417, 194649), (483, 168051), (651, 124683), (713, 113841), (819, 99107), (897, 90489), (973, 83421), (1209, 67137), (1251, 64883), (1449, 56017), (1807, 44919), (1953, 41561), (2093, 38781), (2139, 37947), (2691, 30163), (2821, 28773), (2919, 27807), (3197, 25389), (3627, 22379), (4309, 18837), (4991, 16263), (5421, 14973), (6279, 12927), (6417, 12649), (8463, 9591), (8757, 9269)]