39721913

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1429}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 52303680

約数和(自身を除く): 12581767

約数列:

[1, 7, 11, 19, 77, 133, 209, 361, 1429, 1463, 2527, 3971, 10003, 15719, 27151, 27797, 110033, 190057, 298661, 515869, 2090627, 3611083, 5674559, 39721913]

約数ペア:

[(1, 39721913), (7, 5674559), (11, 3611083), (19, 2090627), (77, 515869), (133, 298661), (209, 190057), (361, 110033), (1429, 27797), (1463, 27151), (2527, 15719), (3971, 10003)]