208047321

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{3389}}^1$

素因数の和:3773

約数の個数: 24

約数和(自身を含む): 317304000

約数和(自身を除く): 109256679

約数列:

[1, 3, 9, 19, 57, 171, 359, 1077, 3231, 3389, 6821, 10167, 20463, 30501, 61389, 64391, 193173, 579519, 1216651, 3649953, 10949859, 23116369, 69349107, 208047321]

約数ペア:

[(1, 208047321), (3, 69349107), (9, 23116369), (19, 10949859), (57, 3649953), (171, 1216651), (359, 579519), (1077, 193173), (3231, 64391), (3389, 61389), (6821, 30501), (10167, 20463)]