388452825

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1609}}^1$

素因数の和:1691

約数の個数: 72

約数和(自身を含む): 739666200

約数和(自身を除く): 351213375

約数列:

[1, 3, 5, 9, 15, 25, 29, 37, 45, 75, 87, 111, 145, 185, 225, 261, 333, 435, 555, 725, 925, 1073, 1305, 1609, 1665, 2175, 2775, 3219, 4827, 5365, 6525, 8045, 8325, 9657, 14481, 16095, 24135, 26825, 40225, 46661, 48285, 59533, 72405, 80475, 120675, 139983, 178599, 233305, 241425, 297665, 362025, 419949, 535797, 699915, 892995, 1166525, 1488325, 1726457, 2099745, 2678985, 3499575, 4464975, 5179371, 8632285, 10498725, 13394925, 15538113, 25896855, 43161425, 77690565, 129484275, 388452825]

約数ペア:

[(1, 388452825), (3, 129484275), (5, 77690565), (9, 43161425), (15, 25896855), (25, 15538113), (29, 13394925), (37, 10498725), (45, 8632285), (75, 5179371), (87, 4464975), (111, 3499575), (145, 2678985), (185, 2099745), (225, 1726457), (261, 1488325), (333, 1166525), (435, 892995), (555, 699915), (725, 535797), (925, 419949), (1073, 362025), (1305, 297665), (1609, 241425), (1665, 233305), (2175, 178599), (2775, 139983), (3219, 120675), (4827, 80475), (5365, 72405), (6525, 59533), (8045, 48285), (8325, 46661), (9657, 40225), (14481, 26825), (16095, 24135)]