208481949

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{1213}}^1$

素因数の和:1358

約数の個数: 36

約数和(自身を含む): 329244084

約数和(自身を除く): 120762135

約数列:

[1, 3, 9, 13, 39, 113, 117, 169, 339, 507, 1017, 1213, 1469, 1521, 3639, 4407, 10917, 13221, 15769, 19097, 47307, 57291, 137069, 141921, 171873, 204997, 411207, 614991, 1233621, 1781897, 1844973, 5345691, 16037073, 23164661, 69493983, 208481949]

約数ペア:

[(1, 208481949), (3, 69493983), (9, 23164661), (13, 16037073), (39, 5345691), (113, 1844973), (117, 1781897), (169, 1233621), (339, 614991), (507, 411207), (1017, 204997), (1213, 171873), (1469, 141921), (1521, 137069), (3639, 57291), (4407, 47307), (10917, 19097), (13221, 15769)]