27220661

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 31622400

約数和(自身を除く): 4401739

約数列:

[1, 13, 23, 47, 149, 169, 299, 611, 1081, 1937, 3427, 3887, 7003, 7943, 14053, 25181, 44551, 91039, 161069, 182689, 579163, 1183507, 2093897, 27220661]

約数ペア:

[(1, 27220661), (13, 2093897), (23, 1183507), (47, 579163), (149, 182689), (169, 161069), (299, 91039), (611, 44551), (1081, 25181), (1937, 14053), (3427, 7943), (3887, 7003)]