18212715

素因数分解:

$3^3\times 5^1\times {\mathrm{134909}}^1$

素因数の和:134923

約数の個数: 16

約数和(自身を含む): 32378400

約数和(自身を除く): 14165685

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 134909, 404727, 674545, 1214181, 2023635, 3642543, 6070905, 18212715]

約数ペア:

[(1, 18212715), (3, 6070905), (5, 3642543), (9, 2023635), (15, 1214181), (27, 674545), (45, 404727), (135, 134909)]