278328365163

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{727}}^1\times {\mathrm{194239}}^1$

素因数の和:195048

約数の個数: 32

約数和(自身を含む): 418563891200

約数和(自身を除く): 140235526037

約数列:

[1, 3, 9, 27, 73, 219, 657, 727, 1971, 2181, 6543, 19629, 53071, 159213, 194239, 477639, 582717, 1432917, 1748151, 5244453, 14179447, 42538341, 127615023, 141211753, 382845069, 423635259, 1270905777, 3812717331, 10308457969, 30925373907, 92776121721, 278328365163]

約数ペア:

[(1, 278328365163), (3, 92776121721), (9, 30925373907), (27, 10308457969), (73, 3812717331), (219, 1270905777), (657, 423635259), (727, 382845069), (1971, 141211753), (2181, 127615023), (6543, 42538341), (19629, 14179447), (53071, 5244453), (159213, 1748151), (194239, 1432917), (477639, 582717)]