20161115919

素因数分解:

$3^3\times 7^1\times {\mathrm{106672571}}^1$

素因数の和:106672587

約数の個数: 16

約数和(自身を含む): 34135223040

約数和(自身を除く): 13974107121

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 106672571, 320017713, 746707997, 960053139, 2240123991, 2880159417, 6720371973, 20161115919]

約数ペア:

[(1, 20161115919), (3, 6720371973), (7, 2880159417), (9, 2240123991), (21, 960053139), (27, 746707997), (63, 320017713), (189, 106672571)]