121289217

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{303983}}^1$

素因数の和:304012

約数の個数: 16

約数和(自身を含む): 194549760

約数和(自身を除く): 73260543

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 303983, 911949, 2127881, 5775677, 6383643, 17327031, 40429739, 121289217]

約数ペア:

[(1, 121289217), (3, 40429739), (7, 17327031), (19, 6383643), (21, 5775677), (57, 2127881), (133, 911949), (399, 303983)]