25490295

素因数分解:

$3^4\times 5^1\times {\mathrm{62939}}^1$

素因数の和:62956

約数の個数: 20

約数和(自身を含む): 45694440

約数和(自身を除く): 20204145

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 62939, 188817, 314695, 566451, 944085, 1699353, 2832255, 5098059, 8496765, 25490295]

約数ペア:

[(1, 25490295), (3, 8496765), (5, 5098059), (9, 2832255), (15, 1699353), (27, 944085), (45, 566451), (81, 314695), (135, 188817), (405, 62939)]