20161708317

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{117904727}}^1$

素因数の和:117904752

約数の個数: 12

約数和(自身を含む): 30655229280

約数和(自身を除く): 10493520963

約数列:

[1, 3, 9, 19, 57, 171, 117904727, 353714181, 1061142543, 2240189813, 6720569439, 20161708317]

約数ペア:

[(1, 20161708317), (3, 6720569439), (9, 2240189813), (19, 1061142543), (57, 353714181), (171, 117904727)]