2521485

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 4413240

約数和(自身を除く): 1891755

約数列:

[1, 3, 5, 9, 15, 45, 137, 409, 411, 685, 1227, 1233, 2045, 2055, 3681, 6135, 6165, 18405, 56033, 168099, 280165, 504297, 840495, 2521485]

約数ペア:

[(1, 2521485), (3, 840495), (5, 504297), (9, 280165), (15, 168099), (45, 56033), (137, 18405), (409, 6165), (411, 6135), (685, 3681), (1227, 2055), (1233, 2045)]