12720033

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{30071}}^1$

素因数の和:30124

約数の個数: 12

約数和(自身を含む): 18764928

約数和(自身を除く): 6044895

約数列:

[1, 3, 9, 47, 141, 423, 30071, 90213, 270639, 1413337, 4240011, 12720033]

約数ペア:

[(1, 12720033), (3, 4240011), (9, 1413337), (47, 270639), (141, 90213), (423, 30071)]