31123845

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 80

約数和(自身を含む): 60031488

約数和(自身を除く): 28907643

約数列:

[1, 3, 5, 9, 15, 27, 31, 37, 45, 67, 81, 93, 111, 135, 155, 185, 201, 279, 333, 335, 405, 465, 555, 603, 837, 999, 1005, 1147, 1395, 1665, 1809, 2077, 2479, 2511, 2997, 3015, 3441, 4185, 4995, 5427, 5735, 6231, 7437, 9045, 10323, 10385, 12395, 12555, 14985, 17205, 18693, 22311, 27135, 30969, 31155, 37185, 51615, 56079, 66933, 76849, 92907, 93465, 111555, 154845, 168237, 200799, 230547, 280395, 334665, 384245, 464535, 691641, 841185, 1003995, 1152735, 2074923, 3458205, 6224769, 10374615, 31123845]

約数ペア:

[(1, 31123845), (3, 10374615), (5, 6224769), (9, 3458205), (15, 2074923), (27, 1152735), (31, 1003995), (37, 841185), (45, 691641), (67, 464535), (81, 384245), (93, 334665), (111, 280395), (135, 230547), (155, 200799), (185, 168237), (201, 154845), (279, 111555), (333, 93465), (335, 92907), (405, 76849), (465, 66933), (555, 56079), (603, 51615), (837, 37185), (999, 31155), (1005, 30969), (1147, 27135), (1395, 22311), (1665, 18693), (1809, 17205), (2077, 14985), (2479, 12555), (2511, 12395), (2997, 10385), (3015, 10323), (3441, 9045), (4185, 7437), (4995, 6231), (5427, 5735)]