128466729

素因数分解:

$3^4\times {\mathrm{293}}^1\times {\mathrm{5413}}^1$

素因数の和:5718

約数の個数: 20

約数和(自身を含む): 192597636

約数和(自身を除く): 64130907

約数列:

[1, 3, 9, 27, 81, 293, 879, 2637, 5413, 7911, 16239, 23733, 48717, 146151, 438453, 1586009, 4758027, 14274081, 42822243, 128466729]

約数ペア:

[(1, 128466729), (3, 42822243), (9, 14274081), (27, 4758027), (81, 1586009), (293, 438453), (879, 146151), (2637, 48717), (5413, 23733), (7911, 16239)]