157212855

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{205507}}^1$

素因数の和:205535

約数の個数: 24

約数和(自身を含む): 288533232

約数和(自身を除く): 131320377

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 205507, 616521, 1027535, 1849563, 3082605, 3493619, 9247815, 10480857, 17468095, 31442571, 52404285, 157212855]

約数ペア:

[(1, 157212855), (3, 52404285), (5, 31442571), (9, 17468095), (15, 10480857), (17, 9247815), (45, 3493619), (51, 3082605), (85, 1849563), (153, 1027535), (255, 616521), (765, 205507)]