199959639

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{3697}}^1$

素因数の和:3871

約数の個数: 24

約数和(自身を含む): 295100400

約数和(自身を除く): 95140761

約数列:

[1, 3, 11, 33, 121, 149, 363, 447, 1639, 3697, 4917, 11091, 18029, 40667, 54087, 122001, 447337, 550853, 1342011, 1652559, 6059383, 18178149, 66653213, 199959639]

約数ペア:

[(1, 199959639), (3, 66653213), (11, 18178149), (33, 6059383), (121, 1652559), (149, 1342011), (363, 550853), (447, 447337), (1639, 122001), (3697, 54087), (4917, 40667), (11091, 18029)]