39972471

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{15731}}^1$

素因数の和:15763

約数の個数: 24

約数和(自身を含む): 66955392

約数和(自身を除く): 26982921

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 15731, 47193, 110117, 173041, 330351, 519123, 1211287, 1903451, 3633861, 5710353, 13324157, 39972471]

約数ペア:

[(1, 39972471), (3, 13324157), (7, 5710353), (11, 3633861), (21, 1903451), (33, 1211287), (77, 519123), (121, 330351), (231, 173041), (363, 110117), (847, 47193), (2541, 15731)]