57213945

素因数分解:

$3^4\times 5^1\times {\mathrm{141269}}^1$

素因数の和:141286

約数の個数: 20

約数和(自身を含む): 102562020

約数和(自身を除く): 45348075

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 141269, 423807, 706345, 1271421, 2119035, 3814263, 6357105, 11442789, 19071315, 57213945]

約数ペア:

[(1, 57213945), (3, 19071315), (5, 11442789), (9, 6357105), (15, 3814263), (27, 2119035), (45, 1271421), (81, 706345), (135, 423807), (405, 141269)]