128560419

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{366269}}^1$

素因数の和:366291

約数の個数: 16

約数和(自身を含む): 205111200

約数和(自身を除く): 76550781

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 366269, 1098807, 3296421, 4761497, 9889263, 14284491, 42853473, 128560419]

約数ペア:

[(1, 128560419), (3, 42853473), (9, 14284491), (13, 9889263), (27, 4761497), (39, 3296421), (117, 1098807), (351, 366269)]