39980941

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3631}}^1$

素因数の和:3673

約数の個数: 24

約数和(自身を含む): 54102272

約数和(自身を除く): 14121331

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 847, 1001, 1573, 3631, 11011, 25417, 39941, 47203, 279587, 330421, 439351, 519233, 3075457, 3634631, 5711563, 39980941]

約数ペア:

[(1, 39980941), (7, 5711563), (11, 3634631), (13, 3075457), (77, 519233), (91, 439351), (121, 330421), (143, 279587), (847, 47203), (1001, 39941), (1573, 25417), (3631, 11011)]