212423721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{21143}}^1$

素因数の和:21360

約数の個数: 16

約数和(自身を含む): 301428864

約数和(自身を除く): 89005143

約数列:

[1, 3, 17, 51, 197, 591, 3349, 10047, 21143, 63429, 359431, 1078293, 4165171, 12495513, 70807907, 212423721]

約数ペア:

[(1, 212423721), (3, 70807907), (17, 12495513), (51, 4165171), (197, 1078293), (591, 359431), (3349, 63429), (10047, 21143)]