81920331

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 133380000

約数和(自身を除く): 51459669

約数列:

[1, 3, 9, 17, 29, 37, 51, 87, 111, 153, 261, 333, 493, 499, 629, 1073, 1479, 1497, 1887, 3219, 4437, 4491, 5661, 8483, 9657, 14471, 18241, 18463, 25449, 43413, 54723, 55389, 76347, 130239, 164169, 166167, 246007, 313871, 535427, 738021, 941613, 1606281, 2214063, 2824839, 4818843, 9102259, 27306777, 81920331]

約数ペア:

[(1, 81920331), (3, 27306777), (9, 9102259), (17, 4818843), (29, 2824839), (37, 2214063), (51, 1606281), (87, 941613), (111, 738021), (153, 535427), (261, 313871), (333, 246007), (493, 166167), (499, 164169), (629, 130239), (1073, 76347), (1479, 55389), (1497, 54723), (1887, 43413), (3219, 25449), (4437, 18463), (4491, 18241), (5661, 14471), (8483, 9657)]