139138539

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{12391}}^1$

素因数の和:12610

約数の個数: 16

約数和(自身を含む): 196289280

約数和(自身を除く): 57150741

約数列:

[1, 3, 19, 57, 197, 591, 3743, 11229, 12391, 37173, 235429, 706287, 2441027, 7323081, 46379513, 139138539]

約数ペア:

[(1, 139138539), (3, 46379513), (19, 7323081), (57, 2441027), (197, 706287), (591, 235429), (3743, 37173), (11229, 12391)]