17156853

素因数分解:

$3^4\times 7^1\times {\mathrm{30259}}^1$

素因数の和:30278

約数の個数: 20

約数和(自身を含む): 29291680

約数和(自身を除く): 12134827

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 30259, 90777, 211813, 272331, 635439, 816993, 1906317, 2450979, 5718951, 17156853]

約数ペア:

[(1, 17156853), (3, 5718951), (7, 2450979), (9, 1906317), (21, 816993), (27, 635439), (63, 272331), (81, 211813), (189, 90777), (567, 30259)]