387798327

素因数分解:

$3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 677376000

約数和(自身を除く): 289577673

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 83, 177, 189, 249, 413, 419, 531, 581, 747, 1239, 1257, 1593, 1743, 2241, 2933, 3717, 3771, 4897, 5229, 8799, 11151, 11313, 14691, 15687, 24721, 26397, 34279, 34777, 44073, 74163, 79191, 102837, 104331, 132219, 173047, 222489, 243439, 308511, 312993, 519141, 667467, 730317, 925533, 938979, 1557423, 2051843, 2190951, 4672269, 6155529, 6572853, 14362901, 18466587, 43088703, 55399761, 129266109, 387798327]

約数ペア:

[(1, 387798327), (3, 129266109), (7, 55399761), (9, 43088703), (21, 18466587), (27, 14362901), (59, 6572853), (63, 6155529), (83, 4672269), (177, 2190951), (189, 2051843), (249, 1557423), (413, 938979), (419, 925533), (531, 730317), (581, 667467), (747, 519141), (1239, 312993), (1257, 308511), (1593, 243439), (1743, 222489), (2241, 173047), (2933, 132219), (3717, 104331), (3771, 102837), (4897, 79191), (5229, 74163), (8799, 44073), (11151, 34777), (11313, 34279), (14691, 26397), (15687, 24721)]