78435981

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{23117}}^1$

素因数の和:23165

約数の個数: 24

約数和(自身を含む): 126224280

約数和(自身を除く): 47788299

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 23117, 69351, 208053, 300521, 670393, 901563, 2011179, 2704689, 6033537, 8715109, 26145327, 78435981]

約数ペア:

[(1, 78435981), (3, 26145327), (9, 8715109), (13, 6033537), (29, 2704689), (39, 2011179), (87, 901563), (117, 670393), (261, 300521), (377, 208053), (1131, 69351), (3393, 23117)]