205656855

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{1579}}^1$

素因数の和:2063

約数の個数: 32

約数和(自身を含む): 347347200

約数和(自身を除く): 141690345

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 457, 1371, 1579, 2285, 4737, 6855, 7895, 8683, 23685, 26049, 30001, 43415, 90003, 130245, 150005, 450015, 721603, 2164809, 3608015, 10824045, 13710457, 41131371, 68552285, 205656855]

約数ペア:

[(1, 205656855), (3, 68552285), (5, 41131371), (15, 13710457), (19, 10824045), (57, 3608015), (95, 2164809), (285, 721603), (457, 450015), (1371, 150005), (1579, 130245), (2285, 90003), (4737, 43415), (6855, 30001), (7895, 26049), (8683, 23685)]