51091155

素因数分解:

$3^4\times 5^1\times {\mathrm{126151}}^1$

素因数の和:126168

約数の個数: 20

約数和(自身を含む): 91586352

約数和(自身を除く): 40495197

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 126151, 378453, 630755, 1135359, 1892265, 3406077, 5676795, 10218231, 17030385, 51091155]

約数ペア:

[(1, 51091155), (3, 17030385), (5, 10218231), (9, 5676795), (15, 3406077), (27, 1892265), (45, 1135359), (81, 630755), (135, 378453), (405, 126151)]