1945359

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{1279}}^1$

素因数の和:1311

約数の個数: 18

約数和(自身を含む): 3045120

約数和(自身を除く): 1099761

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1279, 1521, 3837, 11511, 16627, 49881, 149643, 216151, 648453, 1945359]

約数ペア:

[(1, 1945359), (3, 648453), (9, 216151), (13, 149643), (39, 49881), (117, 16627), (169, 11511), (507, 3837), (1279, 1521)]