81966489

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{349}}^1\times {\mathrm{647}}^1$

素因数の和:1021

約数の個数: 24

約数和(自身を含む): 120657600

約数和(自身を除く): 38691111

約数列:

[1, 3, 11, 33, 121, 349, 363, 647, 1047, 1941, 3839, 7117, 11517, 21351, 42229, 78287, 126687, 225803, 234861, 677409, 2483833, 7451499, 27322163, 81966489]

約数ペア:

[(1, 81966489), (3, 27322163), (11, 7451499), (33, 2483833), (121, 677409), (349, 234861), (363, 225803), (647, 126687), (1047, 78287), (1941, 42229), (3839, 21351), (7117, 11517)]