27988911

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 41344160

約数和(自身を除く): 13355249

約数列:

[1, 3, 9, 103, 109, 277, 309, 327, 831, 927, 981, 2493, 11227, 28531, 30193, 33681, 85593, 90579, 101043, 256779, 271737, 3109879, 9329637, 27988911]

約数ペア:

[(1, 27988911), (3, 9329637), (9, 3109879), (103, 271737), (109, 256779), (277, 101043), (309, 90579), (327, 85593), (831, 33681), (927, 30193), (981, 28531), (2493, 11227)]