18021231

素因数分解:

$3^3\times {\mathrm{811}}^1\times {\mathrm{823}}^1$

素因数の和:1643

約数の個数: 16

約数和(自身を含む): 26763520

約数和(自身を除く): 8742289

約数列:

[1, 3, 9, 27, 811, 823, 2433, 2469, 7299, 7407, 21897, 22221, 667453, 2002359, 6007077, 18021231]

約数ペア:

[(1, 18021231), (3, 6007077), (9, 2002359), (27, 667453), (811, 22221), (823, 21897), (2433, 7407), (2469, 7299)]