18432009

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{6263}}^1$

素因数の和:6381

約数の個数: 16

約数和(自身を含む): 27561600

約数和(自身を除く): 9129591

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 6263, 18789, 56367, 169101, 682667, 2048001, 6144003, 18432009]

約数ペア:

[(1, 18432009), (3, 6144003), (9, 2048001), (27, 682667), (109, 169101), (327, 56367), (981, 18789), (2943, 6263)]