201780089

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{14249}}^1$

素因数の和:14297

約数の個数: 18

約数和(自身を含む): 249360750

約数和(自身を除く): 47580661

約数列:

[1, 7, 17, 49, 119, 289, 833, 2023, 14161, 14249, 99743, 242233, 698201, 1695631, 4117961, 11869417, 28825727, 201780089]

約数ペア:

[(1, 201780089), (7, 28825727), (17, 11869417), (49, 4117961), (119, 1695631), (289, 698201), (833, 242233), (2023, 99743), (14161, 14249)]