778878099

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{839}}^1$

素因数の和:1081

約数の個数: 40

約数和(自身を含む): 1188374880

約数和(自身を除く): 409496781

約数列:

[1, 3, 9, 27, 73, 81, 157, 219, 471, 657, 839, 1413, 1971, 2517, 4239, 5913, 7551, 11461, 12717, 22653, 34383, 61247, 67959, 103149, 131723, 183741, 309447, 395169, 551223, 928341, 1185507, 1653669, 3556521, 4961007, 9615779, 10669563, 28847337, 86542011, 259626033, 778878099]

約数ペア:

[(1, 778878099), (3, 259626033), (9, 86542011), (27, 28847337), (73, 10669563), (81, 9615779), (157, 4961007), (219, 3556521), (471, 1653669), (657, 1185507), (839, 928341), (1413, 551223), (1971, 395169), (2517, 309447), (4239, 183741), (5913, 131723), (7551, 103149), (11461, 67959), (12717, 61247), (22653, 34383)]