20041209

素因数分解:

$3^3\times {\mathrm{727}}^1\times {\mathrm{1021}}^1$

素因数の和:1757

約数の個数: 16

約数和(自身を含む): 29760640

約数和(自身を除く): 9719431

約数列:

[1, 3, 9, 27, 727, 1021, 2181, 3063, 6543, 9189, 19629, 27567, 742267, 2226801, 6680403, 20041209]

約数ペア:

[(1, 20041209), (3, 6680403), (9, 2226801), (27, 742267), (727, 27567), (1021, 19629), (2181, 9189), (3063, 6543)]