257662017

素因数分解:

$3^2\times {\mathrm{211}}^1\times {\mathrm{241}}^1\times {\mathrm{563}}^1$

素因数の和:1021

約数の個数: 24

約数和(自身を含む): 376160928

約数和(自身を除く): 118498911

約数列:

[1, 3, 9, 211, 241, 563, 633, 723, 1689, 1899, 2169, 5067, 50851, 118793, 135683, 152553, 356379, 407049, 457659, 1069137, 1221147, 28629113, 85887339, 257662017]

約数ペア:

[(1, 257662017), (3, 85887339), (9, 28629113), (211, 1221147), (241, 1069137), (563, 457659), (633, 407049), (723, 356379), (1689, 152553), (1899, 135683), (2169, 118793), (5067, 50851)]