199494057

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{69341}}^1$

素因数の和:69488

約数の個数: 16

約数和(自身を含む): 306214272

約数和(自身を除く): 106720215

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 69341, 208023, 485387, 1456161, 9499717, 28499151, 66498019, 199494057]

約数ペア:

[(1, 199494057), (3, 66498019), (7, 28499151), (21, 9499717), (137, 1456161), (411, 485387), (959, 208023), (2877, 69341)]