42821779

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3889}}^1$

素因数の和:3931

約数の個数: 24

約数和(自身を含む): 57945440

約数和(自身を除く): 15123661

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 847, 1001, 1573, 3889, 11011, 27223, 42779, 50557, 299453, 353899, 470569, 556127, 3293983, 3892889, 6117397, 42821779]

約数ペア:

[(1, 42821779), (7, 6117397), (11, 3892889), (13, 3293983), (77, 556127), (91, 470569), (121, 353899), (143, 299453), (847, 50557), (1001, 42779), (1573, 27223), (3889, 11011)]