168345945

素因数分解:

$3^4\times 5^1\times {\mathrm{415669}}^1$

素因数の和:415686

約数の個数: 20

約数和(自身を含む): 301776420

約数和(自身を除く): 133430475

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 415669, 1247007, 2078345, 3741021, 6235035, 11223063, 18705105, 33669189, 56115315, 168345945]

約数ペア:

[(1, 168345945), (3, 56115315), (5, 33669189), (9, 18705105), (15, 11223063), (27, 6235035), (45, 3741021), (81, 2078345), (135, 1247007), (405, 415669)]