20173209

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6911}}^1$

素因数の和:7060

約数の個数: 16

約数和(自身を含む): 30965760

約数和(自身を除く): 10792551

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 6911, 20733, 48377, 145131, 960629, 2881887, 6724403, 20173209]

約数ペア:

[(1, 20173209), (3, 6724403), (7, 2881887), (21, 960629), (139, 145131), (417, 48377), (973, 20733), (2919, 6911)]