128568105

素因数分解:

$3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{11117}}^1$

素因数の和:11385

約数の個数: 24

約数和(自身を含む): 223738632

約数和(自身を除く): 95170527

約数列:

[1, 3, 5, 9, 15, 45, 257, 771, 1285, 2313, 3855, 11117, 11565, 33351, 55585, 100053, 166755, 500265, 2857069, 8571207, 14285345, 25713621, 42856035, 128568105]

約数ペア:

[(1, 128568105), (3, 42856035), (5, 25713621), (9, 14285345), (15, 8571207), (45, 2857069), (257, 500265), (771, 166755), (1285, 100053), (2313, 55585), (3855, 33351), (11117, 11565)]