2018216547

素因数分解:

$3^3\times {\mathrm{431}}^1\times {\mathrm{173431}}^1$

素因数の和:173871

約数の個数: 16

約数和(自身を含む): 2996904960

約数和(自身を除く): 978688413

約数列:

[1, 3, 9, 27, 431, 1293, 3879, 11637, 173431, 520293, 1560879, 4682637, 74748761, 224246283, 672738849, 2018216547]

約数ペア:

[(1, 2018216547), (3, 672738849), (9, 224246283), (27, 74748761), (431, 4682637), (1293, 1560879), (3879, 520293), (11637, 173431)]