128532243

素因数分解:

$3^1\times 7^2\times {\mathrm{877}}^1\times {\mathrm{997}}^1$

素因数の和:1891

約数の個数: 24

約数和(自身を含む): 199783632

約数和(自身を除く): 71251389

約数列:

[1, 3, 7, 21, 49, 147, 877, 997, 2631, 2991, 6139, 6979, 18417, 20937, 42973, 48853, 128919, 146559, 874369, 2623107, 6120583, 18361749, 42844081, 128532243]

約数ペア:

[(1, 128532243), (3, 42844081), (7, 18361749), (21, 6120583), (49, 2623107), (147, 874369), (877, 146559), (997, 128919), (2631, 48853), (2991, 42973), (6139, 20937), (6979, 18417)]