28021543

素因数分解:

${\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:639

約数の個数: 16

約数和(自身を含む): 31710240

約数和(自身を除く): 3688697

約数列:

[1, 11, 37, 121, 407, 569, 1331, 4477, 6259, 21053, 49247, 68849, 231583, 757339, 2547413, 28021543]

約数ペア:

[(1, 28021543), (11, 2547413), (37, 757339), (121, 231583), (407, 68849), (569, 49247), (1331, 21053), (4477, 6259)]