51990939

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 104832000

約数和(自身を除く): 52841061

約数列:

[1, 3, 7, 9, 11, 13, 21, 29, 33, 39, 63, 77, 87, 91, 99, 117, 143, 199, 203, 231, 261, 273, 319, 377, 429, 597, 609, 693, 819, 957, 1001, 1131, 1287, 1393, 1791, 1827, 2189, 2233, 2587, 2639, 2871, 3003, 3393, 4147, 4179, 5771, 6567, 6699, 7761, 7917, 9009, 12441, 12537, 15323, 17313, 18109, 19701, 20097, 23283, 23751, 28457, 29029, 37323, 40397, 45969, 51939, 54327, 63481, 75023, 85371, 87087, 121191, 137907, 162981, 190443, 199199, 225069, 256113, 261261, 363573, 444367, 525161, 571329, 597597, 675207, 825253, 1333101, 1575483, 1792791, 2475759, 3999303, 4726449, 5776771, 7427277, 17330313, 51990939]

約数ペア:

[(1, 51990939), (3, 17330313), (7, 7427277), (9, 5776771), (11, 4726449), (13, 3999303), (21, 2475759), (29, 1792791), (33, 1575483), (39, 1333101), (63, 825253), (77, 675207), (87, 597597), (91, 571329), (99, 525161), (117, 444367), (143, 363573), (199, 261261), (203, 256113), (231, 225069), (261, 199199), (273, 190443), (319, 162981), (377, 137907), (429, 121191), (597, 87087), (609, 85371), (693, 75023), (819, 63481), (957, 54327), (1001, 51939), (1131, 45969), (1287, 40397), (1393, 37323), (1791, 29029), (1827, 28457), (2189, 23751), (2233, 23283), (2587, 20097), (2639, 19701), (2871, 18109), (3003, 17313), (3393, 15323), (4147, 12537), (4179, 12441), (5771, 9009), (6567, 7917), (6699, 7761)]