31338293

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{2213}}^1$

素因数の和:2261

約数の個数: 18

約数和(自身を含む): 38742786

約数和(自身を除く): 7404493

約数列:

[1, 7, 17, 49, 119, 289, 833, 2023, 2213, 14161, 15491, 37621, 108437, 263347, 639557, 1843429, 4476899, 31338293]

約数ペア:

[(1, 31338293), (7, 4476899), (17, 1843429), (49, 639557), (119, 263347), (289, 108437), (833, 37621), (2023, 15491), (2213, 14161)]