18065673

素因数分解:

$3^4\times {\mathrm{271}}^1\times {\mathrm{823}}^1$

素因数の和:1106

約数の個数: 20

約数和(自身を含む): 27119488

約数和(自身を除く): 9053815

約数列:

[1, 3, 9, 27, 81, 271, 813, 823, 2439, 2469, 7317, 7407, 21951, 22221, 66663, 223033, 669099, 2007297, 6021891, 18065673]

約数ペア:

[(1, 18065673), (3, 6021891), (9, 2007297), (27, 669099), (81, 223033), (271, 66663), (813, 22221), (823, 21951), (2439, 7407), (2469, 7317)]