42321321

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6163}}^1$

素因数の和:6285

約数の個数: 24

約数和(自身を含む): 70516160

約数和(自身を除く): 28194839

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6163, 6867, 18489, 43141, 55467, 129423, 388269, 671767, 2015301, 4702369, 6045903, 14107107, 42321321]

約数ペア:

[(1, 42321321), (3, 14107107), (7, 6045903), (9, 4702369), (21, 2015301), (63, 671767), (109, 388269), (327, 129423), (763, 55467), (981, 43141), (2289, 18489), (6163, 6867)]