8289981

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{727}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 13779584

約数和(自身を除く): 5489603

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 727, 1267, 1629, 2181, 3801, 5089, 6543, 11403, 15267, 45801, 131587, 394761, 921109, 1184283, 2763327, 8289981]

約数ペア:

[(1, 8289981), (3, 2763327), (7, 1184283), (9, 921109), (21, 394761), (63, 131587), (181, 45801), (543, 15267), (727, 11403), (1267, 6543), (1629, 5089), (2181, 3801)]