489156777

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{26893}}^1$

素因数の和:26989

約数の個数: 24

約数和(自身を含む): 738401664

約数和(自身を除く): 249244887

約数列:

[1, 3, 9, 43, 47, 129, 141, 387, 423, 2021, 6063, 18189, 26893, 80679, 242037, 1156399, 1263971, 3469197, 3791913, 10407591, 11375739, 54350753, 163052259, 489156777]

約数ペア:

[(1, 489156777), (3, 163052259), (9, 54350753), (43, 11375739), (47, 10407591), (129, 3791913), (141, 3469197), (387, 1263971), (423, 1156399), (2021, 242037), (6063, 80679), (18189, 26893)]