405405729

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{14341}}^1$

素因数の和:14702

約数の個数: 20

約数和(自身を含む): 607383700

約数和(自身を除く): 201977971

約数列:

[1, 3, 9, 27, 81, 349, 1047, 3141, 9423, 14341, 28269, 43023, 129069, 387207, 1161621, 5005009, 15015027, 45045081, 135135243, 405405729]

約数ペア:

[(1, 405405729), (3, 135135243), (9, 45045081), (27, 15015027), (81, 5005009), (349, 1161621), (1047, 387207), (3141, 129069), (9423, 43023), (14341, 28269)]