207973575

素因数分解:

$3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{3313}}^1$

素因数の和:3366

約数の個数: 60

約数和(自身を含む): 397786048

約数和(自身を除く): 189812473

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 135, 155, 225, 279, 405, 465, 675, 775, 837, 1395, 2025, 2325, 2511, 3313, 4185, 6975, 9939, 12555, 16565, 20925, 29817, 49695, 62775, 82825, 89451, 102703, 149085, 248475, 268353, 308109, 447255, 513515, 745425, 924327, 1341765, 1540545, 2236275, 2567575, 2772981, 4621635, 6708825, 7702725, 8318943, 13864905, 23108175, 41594715, 69324525, 207973575]

約数ペア:

[(1, 207973575), (3, 69324525), (5, 41594715), (9, 23108175), (15, 13864905), (25, 8318943), (27, 7702725), (31, 6708825), (45, 4621635), (75, 2772981), (81, 2567575), (93, 2236275), (135, 1540545), (155, 1341765), (225, 924327), (279, 745425), (405, 513515), (465, 447255), (675, 308109), (775, 268353), (837, 248475), (1395, 149085), (2025, 102703), (2325, 89451), (2511, 82825), (3313, 62775), (4185, 49695), (6975, 29817), (9939, 20925), (12555, 16565)]