25252155

素因数分解:

$3^4\times 5^1\times {\mathrm{62351}}^1$

素因数の和:62368

約数の個数: 20

約数和(自身を含む): 45267552

約数和(自身を除く): 20015397

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 62351, 187053, 311755, 561159, 935265, 1683477, 2805795, 5050431, 8417385, 25252155]

約数ペア:

[(1, 25252155), (3, 8417385), (5, 5050431), (9, 2805795), (15, 1683477), (27, 935265), (45, 561159), (81, 311755), (135, 187053), (405, 62351)]