47641905

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20759}}^1$

素因数の和:20790

約数の個数: 32

約数和(自身を含む): 89683200

約数和(自身を除く): 42041295

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 20759, 62277, 103795, 186831, 311385, 352903, 560493, 934155, 1058709, 1764515, 2802465, 3176127, 5293545, 9528381, 15880635, 47641905]

約数ペア:

[(1, 47641905), (3, 15880635), (5, 9528381), (9, 5293545), (15, 3176127), (17, 2802465), (27, 1764515), (45, 1058709), (51, 934155), (85, 560493), (135, 352903), (153, 311385), (255, 186831), (459, 103795), (765, 62277), (2295, 20759)]