7920207

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{15439}}^1$

素因数の和:15467

約数の個数: 16

約数和(自身を含む): 12352000

約数和(自身を除く): 4431793

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 15439, 46317, 138951, 293341, 416853, 880023, 2640069, 7920207]

約数ペア:

[(1, 7920207), (3, 2640069), (9, 880023), (19, 416853), (27, 293341), (57, 138951), (171, 46317), (513, 15439)]