81115185

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{115057}}^1$

素因数の和:115112

約数の個数: 16

約数和(自身を含む): 132546816

約数和(自身を除く): 51431631

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 115057, 345171, 575285, 1725855, 5407679, 16223037, 27038395, 81115185]

約数ペア:

[(1, 81115185), (3, 27038395), (5, 16223037), (15, 5407679), (47, 1725855), (141, 575285), (235, 345171), (705, 115057)]