81907155

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{165469}}^1$

素因数の和:165491

約数の個数: 24

約数和(自身を含む): 154879920

約数和(自身を除く): 72972765

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 165469, 496407, 827345, 1489221, 1820159, 2482035, 5460477, 7446105, 9100795, 16381431, 27302385, 81907155]

約数ペア:

[(1, 81907155), (3, 27302385), (5, 16381431), (9, 9100795), (11, 7446105), (15, 5460477), (33, 2482035), (45, 1820159), (55, 1489221), (99, 827345), (165, 496407), (495, 165469)]