204872355

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89269}}^1$

素因数の和:89300

約数の個数: 32

約数和(自身を含む): 385646400

約数和(自身を除く): 180774045

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 89269, 267807, 446345, 803421, 1339035, 1517573, 2410263, 4017105, 4552719, 7587865, 12051315, 13658157, 22763595, 40974471, 68290785, 204872355]

約数ペア:

[(1, 204872355), (3, 68290785), (5, 40974471), (9, 22763595), (15, 13658157), (17, 12051315), (27, 7587865), (45, 4552719), (51, 4017105), (85, 2410263), (135, 1517573), (153, 1339035), (255, 803421), (459, 446345), (765, 267807), (2295, 89269)]