20171213901

素因数分解:

$3^2\times {\mathrm{1171}}^1\times {\mathrm{1913959}}^1$

素因数の和:1915136

約数の個数: 12

約数和(自身を含む): 29161094560

約数和(自身を除く): 8989880659

約数列:

[1, 3, 9, 1171, 3513, 10539, 1913959, 5741877, 17225631, 2241245989, 6723737967, 20171213901]

約数ペア:

[(1, 20171213901), (3, 6723737967), (9, 2241245989), (1171, 17225631), (3513, 5741877), (10539, 1913959)]