211722819

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{5623}}^1$

素因数の和:5807

約数の個数: 32

約数和(自身を含む): 354177024

約数和(自身を除く): 142454205

約数列:

[1, 3, 7, 11, 21, 33, 77, 163, 231, 489, 1141, 1793, 3423, 5379, 5623, 12551, 16869, 37653, 39361, 61853, 118083, 185559, 432971, 916549, 1298913, 2749647, 6415843, 10082039, 19247529, 30246117, 70574273, 211722819]

約数ペア:

[(1, 211722819), (3, 70574273), (7, 30246117), (11, 19247529), (21, 10082039), (33, 6415843), (77, 2749647), (163, 1298913), (231, 916549), (489, 432971), (1141, 185559), (1793, 118083), (3423, 61853), (5379, 39361), (5623, 37653), (12551, 16869)]