18427689

素因数分解:

$3^3\times 7^1\times {\mathrm{97501}}^1$

素因数の和:97517

約数の個数: 16

約数和(自身を含む): 31200640

約数和(自身を除く): 12772951

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 97501, 292503, 682507, 877509, 2047521, 2632527, 6142563, 18427689]

約数ペア:

[(1, 18427689), (3, 6142563), (7, 2632527), (9, 2047521), (21, 877509), (27, 682507), (63, 292503), (189, 97501)]