31173903

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{22639}}^1$

素因数の和:22668

約数の個数: 20

約数和(自身を含む): 49309920

約数和(自身を除く): 18136017

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 22639, 67917, 203751, 384863, 611253, 1154589, 1833759, 3463767, 10391301, 31173903]

約数ペア:

[(1, 31173903), (3, 10391301), (9, 3463767), (17, 1833759), (27, 1154589), (51, 611253), (81, 384863), (153, 203751), (459, 67917), (1377, 22639)]