257560413

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{25423}}^1$

素因数の和:25744

約数の個数: 16

約数和(自身を含む): 375868416

約数和(自身を除く): 118308003

約数列:

[1, 3, 11, 33, 307, 921, 3377, 10131, 25423, 76269, 279653, 838959, 7804861, 23414583, 85853471, 257560413]

約数ペア:

[(1, 257560413), (3, 85853471), (11, 23414583), (33, 7804861), (307, 838959), (921, 279653), (3377, 76269), (10131, 25423)]