179730009

素因数分解:

$3^4\times {\mathrm{293}}^1\times {\mathrm{7573}}^1$

素因数の和:7878

約数の個数: 20

約数和(自身を含む): 269437476

約数和(自身を除く): 89707467

約数列:

[1, 3, 9, 27, 81, 293, 879, 2637, 7573, 7911, 22719, 23733, 68157, 204471, 613413, 2218889, 6656667, 19970001, 59910003, 179730009]

約数ペア:

[(1, 179730009), (3, 59910003), (9, 19970001), (27, 6656667), (81, 2218889), (293, 613413), (879, 204471), (2637, 68157), (7573, 23733), (7911, 22719)]