13555431

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{4523}}^1$

素因数の和:4572

約数の個数: 20

約数和(自身を含む): 20801352

約数和(自身を除く): 7245921

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 4523, 13569, 40707, 122121, 167351, 366363, 502053, 1506159, 4518477, 13555431]

約数ペア:

[(1, 13555431), (3, 4518477), (9, 1506159), (27, 502053), (37, 366363), (81, 167351), (111, 122121), (333, 40707), (999, 13569), (2997, 4523)]