20161215459

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{3463}}^1$

素因数の和:3789

約数の個数: 96

約数和(自身を含む): 37628018688

約数和(自身を除く): 17466803229

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 217, 231, 271, 279, 341, 651, 693, 813, 1023, 1897, 1953, 2387, 2439, 2981, 3069, 3463, 5691, 7161, 8401, 8943, 10389, 17073, 20867, 21483, 24241, 25203, 26829, 31167, 38093, 58807, 62601, 72723, 75609, 92411, 107353, 114279, 176421, 187803, 218169, 266651, 277233, 322059, 342837, 529263, 646877, 751471, 799953, 831699, 938473, 966177, 1180883, 1940631, 2254413, 2399859, 2815419, 3542649, 5821893, 6569311, 6763239, 8266181, 8446257, 10323203, 10627947, 19707933, 24798543, 29092663, 30969609, 59123799, 72262421, 74395629, 87277989, 92908827, 203648641, 216787263, 261833967, 320019293, 610945923, 650361789, 960057879, 1832837769, 2240135051, 2880173637, 6720405153, 20161215459]

約数ペア:

[(1, 20161215459), (3, 6720405153), (7, 2880173637), (9, 2240135051), (11, 1832837769), (21, 960057879), (31, 650361789), (33, 610945923), (63, 320019293), (77, 261833967), (93, 216787263), (99, 203648641), (217, 92908827), (231, 87277989), (271, 74395629), (279, 72262421), (341, 59123799), (651, 30969609), (693, 29092663), (813, 24798543), (1023, 19707933), (1897, 10627947), (1953, 10323203), (2387, 8446257), (2439, 8266181), (2981, 6763239), (3069, 6569311), (3463, 5821893), (5691, 3542649), (7161, 2815419), (8401, 2399859), (8943, 2254413), (10389, 1940631), (17073, 1180883), (20867, 966177), (21483, 938473), (24241, 831699), (25203, 799953), (26829, 751471), (31167, 646877), (38093, 529263), (58807, 342837), (62601, 322059), (72723, 277233), (75609, 266651), (92411, 218169), (107353, 187803), (114279, 176421)]