65205729

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{21757}}^1$

素因数の和:21806

約数の個数: 20

約数和(自身を含む): 100043284

約数和(自身を除く): 34837555

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 21757, 65271, 195813, 587439, 805009, 1762317, 2415027, 7245081, 21735243, 65205729]

約数ペア:

[(1, 65205729), (3, 21735243), (9, 7245081), (27, 2415027), (37, 1762317), (81, 805009), (111, 587439), (333, 195813), (999, 65271), (2997, 21757)]