25899345

素因数分解:

$3^4\times 5^1\times {\mathrm{63949}}^1$

素因数の和:63966

約数の個数: 20

約数和(自身を含む): 46427700

約数和(自身を除く): 20528355

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 63949, 191847, 319745, 575541, 959235, 1726623, 2877705, 5179869, 8633115, 25899345]

約数ペア:

[(1, 25899345), (3, 8633115), (5, 5179869), (9, 2877705), (15, 1726623), (27, 959235), (45, 575541), (81, 319745), (135, 191847), (405, 63949)]