25821945

素因数分解:

$3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2381}}^1$

素因数の和:2633

約数の個数: 24

約数和(自身を含む): 44962632

約数和(自身を除く): 19140687

約数列:

[1, 3, 5, 9, 15, 45, 241, 723, 1205, 2169, 2381, 3615, 7143, 10845, 11905, 21429, 35715, 107145, 573821, 1721463, 2869105, 5164389, 8607315, 25821945]

約数ペア:

[(1, 25821945), (3, 8607315), (5, 5164389), (9, 2869105), (15, 1721463), (45, 573821), (241, 107145), (723, 35715), (1205, 21429), (2169, 11905), (2381, 10845), (3615, 7143)]