256537845

素因数分解:

$3^2\times 5^1\times {\mathrm{751}}^1\times {\mathrm{7591}}^1$

素因数の和:8353

約数の個数: 24

約数和(自身を含む): 445316352

約数和(自身を除く): 188778507

約数列:

[1, 3, 5, 9, 15, 45, 751, 2253, 3755, 6759, 7591, 11265, 22773, 33795, 37955, 68319, 113865, 341595, 5700841, 17102523, 28504205, 51307569, 85512615, 256537845]

約数ペア:

[(1, 256537845), (3, 85512615), (5, 51307569), (9, 28504205), (15, 17102523), (45, 5700841), (751, 341595), (2253, 113865), (3755, 68319), (6759, 37955), (7591, 33795), (11265, 22773)]