81655263

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{81737}}^1$

素因数の和:81783

約数の個数: 16

約数和(自身を含む): 124241760

約数和(自身を除く): 42586497

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 81737, 245211, 735633, 2206899, 3024269, 9072807, 27218421, 81655263]

約数ペア:

[(1, 81655263), (3, 27218421), (9, 9072807), (27, 3024269), (37, 2206899), (111, 735633), (333, 245211), (999, 81737)]