18030033

素因数分解:

$3^4\times 7^1\times {\mathrm{31799}}^1$

素因数の和:31818

約数の個数: 20

約数和(自身を含む): 30782400

約数和(自身を除く): 12752367

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 31799, 95397, 222593, 286191, 667779, 858573, 2003337, 2575719, 6010011, 18030033]

約数ペア:

[(1, 18030033), (3, 6010011), (7, 2575719), (9, 2003337), (21, 858573), (27, 667779), (63, 286191), (81, 222593), (189, 95397), (567, 31799)]