211992021

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{2351}}^1$

素因数の和:2633

約数の個数: 24

約数和(自身を含む): 314810496

約数和(自身を除く): 102818475

約数列:

[1, 3, 9, 43, 129, 233, 387, 699, 2097, 2351, 7053, 10019, 21159, 30057, 90171, 101093, 303279, 547783, 909837, 1643349, 4930047, 23554669, 70664007, 211992021]

約数ペア:

[(1, 211992021), (3, 70664007), (9, 23554669), (43, 4930047), (129, 1643349), (233, 909837), (387, 547783), (699, 303279), (2097, 101093), (2351, 90171), (7053, 30057), (10019, 21159)]