129120885

素因数分解:

$3^4\times 5^1\times {\mathrm{318817}}^1$

素因数の和:318834

約数の個数: 20

約数和(自身を含む): 231461868

約数和(自身を除く): 102340983

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 318817, 956451, 1594085, 2869353, 4782255, 8608059, 14346765, 25824177, 43040295, 129120885]

約数ペア:

[(1, 129120885), (3, 43040295), (5, 25824177), (9, 14346765), (15, 8608059), (27, 4782255), (45, 2869353), (81, 1594085), (135, 956451), (405, 318817)]