68148945

素因数分解:

$3^4\times 5^1\times {\mathrm{168269}}^1$

素因数の和:168286

約数の個数: 20

約数和(自身を含む): 122164020

約数和(自身を除く): 54015075

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 168269, 504807, 841345, 1514421, 2524035, 4543263, 7572105, 13629789, 22716315, 68148945]

約数ペア:

[(1, 68148945), (3, 22716315), (5, 13629789), (9, 7572105), (15, 4543263), (27, 2524035), (45, 1514421), (81, 841345), (135, 504807), (405, 168269)]