18159201

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{15641}}^1$

素因数の和:15693

約数の個数: 16

約数和(自身を含む): 27529920

約数和(自身を除く): 9370719

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 15641, 46923, 140769, 422307, 672563, 2017689, 6053067, 18159201]

約数ペア:

[(1, 18159201), (3, 6053067), (9, 2017689), (27, 672563), (43, 422307), (129, 140769), (387, 46923), (1161, 15641)]