18078387

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{443}}^1$

素因数の和:730

約数の個数: 16

約数和(自身を含む): 24665088

約数和(自身を除く): 6586701

約数列:

[1, 3, 61, 183, 223, 443, 669, 1329, 13603, 27023, 40809, 81069, 98789, 296367, 6026129, 18078387]

約数ペア:

[(1, 18078387), (3, 6026129), (61, 296367), (183, 98789), (223, 81069), (443, 40809), (669, 27023), (1329, 13603)]