9981387

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{9479}}^1$

素因数の和:9504

約数の個数: 20

約数和(自身を含む): 16059120

約数和(自身を除く): 6077733

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 9479, 28437, 85311, 123227, 255933, 369681, 767799, 1109043, 3327129, 9981387]

約数ペア:

[(1, 9981387), (3, 3327129), (9, 1109043), (13, 767799), (27, 369681), (39, 255933), (81, 123227), (117, 85311), (351, 28437), (1053, 9479)]