27891465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2437}}^1$

素因数の和:2561

約数の個数: 32

約数和(自身を含む): 51490560

約数和(自身を除く): 23599095

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 109, 327, 545, 763, 1635, 2289, 2437, 3815, 7311, 11445, 12185, 17059, 36555, 51177, 85295, 255885, 265633, 796899, 1328165, 1859431, 3984495, 5578293, 9297155, 27891465]

約数ペア:

[(1, 27891465), (3, 9297155), (5, 5578293), (7, 3984495), (15, 1859431), (21, 1328165), (35, 796899), (105, 265633), (109, 255885), (327, 85295), (545, 51177), (763, 36555), (1635, 17059), (2289, 12185), (2437, 11445), (3815, 7311)]