80731485

素因数分解:

$3^4\times 5^1\times {\mathrm{199337}}^1$

素因数の和:199354

約数の個数: 20

約数和(自身を含む): 144719388

約数和(自身を除く): 63987903

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 199337, 598011, 996685, 1794033, 2990055, 5382099, 8970165, 16146297, 26910495, 80731485]

約数ペア:

[(1, 80731485), (3, 26910495), (5, 16146297), (9, 8970165), (15, 5382099), (27, 2990055), (45, 1794033), (81, 996685), (135, 598011), (405, 199337)]