247482855

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{323507}}^1$

素因数の和:323535

約数の個数: 24

約数和(自身を含む): 454205232

約数和(自身を除く): 206722377

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 323507, 970521, 1617535, 2911563, 4852605, 5499619, 14557815, 16498857, 27498095, 49496571, 82494285, 247482855]

約数ペア:

[(1, 247482855), (3, 82494285), (5, 49496571), (9, 27498095), (15, 16498857), (17, 14557815), (45, 5499619), (51, 4852605), (85, 2911563), (153, 1617535), (255, 970521), (765, 323507)]