1820475

素因数分解:

$3^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 60

約数和(自身を含む): 3600960

約数和(自身を除く): 1780485

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 31, 45, 75, 81, 87, 93, 135, 145, 155, 225, 261, 279, 405, 435, 465, 675, 725, 775, 783, 837, 899, 1305, 1395, 2025, 2175, 2325, 2349, 2511, 2697, 3915, 4185, 4495, 6525, 6975, 8091, 11745, 12555, 13485, 19575, 20925, 22475, 24273, 40455, 58725, 62775, 67425, 72819, 121365, 202275, 364095, 606825, 1820475]

約数ペア:

[(1, 1820475), (3, 606825), (5, 364095), (9, 202275), (15, 121365), (25, 72819), (27, 67425), (29, 62775), (31, 58725), (45, 40455), (75, 24273), (81, 22475), (87, 20925), (93, 19575), (135, 13485), (145, 12555), (155, 11745), (225, 8091), (261, 6975), (279, 6525), (405, 4495), (435, 4185), (465, 3915), (675, 2697), (725, 2511), (775, 2349), (783, 2325), (837, 2175), (899, 2025), (1305, 1395)]