9180945

素因数分解:

$3^4\times 5^1\times {\mathrm{22669}}^1$

素因数の和:22686

約数の個数: 20

約数和(自身を含む): 16458420

約数和(自身を除く): 7277475

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 22669, 68007, 113345, 204021, 340035, 612063, 1020105, 1836189, 3060315, 9180945]

約数ペア:

[(1, 9180945), (3, 3060315), (5, 1836189), (9, 1020105), (15, 612063), (27, 340035), (45, 204021), (81, 113345), (135, 68007), (405, 22669)]