18249021

素因数分解:

$3^2\times 7^2\times {\mathrm{41381}}^1$

素因数の和:41401

約数の個数: 18

約数和(自身を含む): 30664062

約数和(自身を除く): 12415041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 41381, 124143, 289667, 372429, 869001, 2027669, 2607003, 6083007, 18249021]

約数ペア:

[(1, 18249021), (3, 6083007), (7, 2607003), (9, 2027669), (21, 869001), (49, 372429), (63, 289667), (147, 124143), (441, 41381)]