28361655

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{503}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 28247625

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 179, 315, 503, 537, 895, 1253, 1509, 1611, 2515, 2685, 3521, 3759, 4527, 6265, 7545, 8055, 10563, 11277, 17605, 18795, 22635, 31689, 52815, 56385, 90037, 158445, 270111, 450185, 630259, 810333, 1350555, 1890777, 3151295, 4051665, 5672331, 9453885, 28361655]

約数ペア:

[(1, 28361655), (3, 9453885), (5, 5672331), (7, 4051665), (9, 3151295), (15, 1890777), (21, 1350555), (35, 810333), (45, 630259), (63, 450185), (105, 270111), (179, 158445), (315, 90037), (503, 56385), (537, 52815), (895, 31689), (1253, 22635), (1509, 18795), (1611, 17605), (2515, 11277), (2685, 10563), (3521, 8055), (3759, 7545), (4527, 6265)]