209968155

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{126107}}^1$

素因数の和:126155

約数の個数: 24

約数和(自身を含む): 373784112

約数和(自身を除く): 163815957

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 126107, 378321, 630535, 1134963, 1891605, 4665959, 5674815, 13997877, 23329795, 41993631, 69989385, 209968155]

約数ペア:

[(1, 209968155), (3, 69989385), (5, 41993631), (9, 23329795), (15, 13997877), (37, 5674815), (45, 4665959), (111, 1891605), (185, 1134963), (333, 630535), (555, 378321), (1665, 126107)]