1880778861

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{1236541}}^1$

素因数の和:1236573

約数の個数: 18

約数和(自身を含む): 2941733418

約数和(自身を除く): 1060954557

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 1236541, 3709623, 11128869, 16075033, 48225099, 144675297, 208975429, 626926287, 1880778861]

約数ペア:

[(1, 1880778861), (3, 626926287), (9, 208975429), (13, 144675297), (39, 48225099), (117, 16075033), (169, 11128869), (507, 3709623), (1521, 1236541)]