68221845

素因数分解:

$3^4\times 5^1\times {\mathrm{168449}}^1$

素因数の和:168466

約数の個数: 20

約数和(自身を含む): 122294700

約数和(自身を除く): 54072855

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 168449, 505347, 842245, 1516041, 2526735, 4548123, 7580205, 13644369, 22740615, 68221845]

約数ペア:

[(1, 68221845), (3, 22740615), (5, 13644369), (9, 7580205), (15, 4548123), (27, 2526735), (45, 1516041), (81, 842245), (135, 505347), (405, 168449)]