51081165

素因数分解:

$3^3\times 5^1\times {\mathrm{378379}}^1$

素因数の和:378393

約数の個数: 16

約数和(自身を含む): 90811200

約数和(自身を除く): 39730035

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 378379, 1135137, 1891895, 3405411, 5675685, 10216233, 17027055, 51081165]

約数ペア:

[(1, 51081165), (3, 17027055), (5, 10216233), (9, 5675685), (15, 3405411), (27, 1891895), (45, 1135137), (135, 378379)]