256220757

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{115259}}^1$

素因数の和:115297

約数の個数: 24

約数和(自身を含む): 419546400

約数和(自身を除く): 163325643

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 115259, 345777, 1037331, 1498367, 2189921, 4495101, 6569763, 13485303, 19709289, 28468973, 85406919, 256220757]

約数ペア:

[(1, 256220757), (3, 85406919), (9, 28468973), (13, 19709289), (19, 13485303), (39, 6569763), (57, 4495101), (117, 2189921), (171, 1498367), (247, 1037331), (741, 345777), (2223, 115259)]