81135615

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491731}}^1$

素因数の和:491750

約数の個数: 16

約数和(自身を含む): 141618816

約数和(自身を除く): 60483201

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 491731, 1475193, 2458655, 5409041, 7375965, 16227123, 27045205, 81135615]

約数ペア:

[(1, 81135615), (3, 27045205), (5, 16227123), (11, 7375965), (15, 5409041), (33, 2458655), (55, 1475193), (165, 491731)]