12543741

素因数分解:

$3^4\times 7^1\times {\mathrm{22123}}^1$

素因数の和:22142

約数の個数: 20

約数和(自身を含む): 21416032

約数和(自身を除く): 8872291

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 22123, 66369, 154861, 199107, 464583, 597321, 1393749, 1791963, 4181247, 12543741]

約数ペア:

[(1, 12543741), (3, 4181247), (7, 1791963), (9, 1393749), (21, 597321), (27, 464583), (63, 199107), (81, 154861), (189, 66369), (567, 22123)]