208384209

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^3\times {\mathrm{173}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 345271680

約数和(自身を除く): 136887471

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 173, 207, 253, 519, 529, 759, 1557, 1587, 1903, 2277, 3979, 4761, 5709, 5819, 11937, 12167, 17127, 17457, 35811, 36501, 43769, 52371, 91517, 109503, 131307, 133837, 274551, 393921, 401511, 823653, 1006687, 1204533, 2104891, 3020061, 6314673, 9060183, 18944019, 23153801, 69461403, 208384209]

約数ペア:

[(1, 208384209), (3, 69461403), (9, 23153801), (11, 18944019), (23, 9060183), (33, 6314673), (69, 3020061), (99, 2104891), (173, 1204533), (207, 1006687), (253, 823653), (519, 401511), (529, 393921), (759, 274551), (1557, 133837), (1587, 131307), (1903, 109503), (2277, 91517), (3979, 52371), (4761, 43769), (5709, 36501), (5819, 35811), (11937, 17457), (12167, 17127)]