208980888921

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1030493}}^1$

素因数の和:1030575

約数の個数: 64

約数和(自身を含む): 375924211200

約数和(自身を除く): 166943322279

約数列:

[1, 3, 7, 9, 21, 27, 29, 37, 63, 87, 111, 189, 203, 259, 261, 333, 609, 777, 783, 999, 1073, 1827, 2331, 3219, 5481, 6993, 7511, 9657, 22533, 28971, 67599, 202797, 1030493, 3091479, 7213451, 9274437, 21640353, 27823311, 29884297, 38128241, 64921059, 89652891, 114384723, 194763177, 209190079, 266897687, 268958673, 343154169, 627570237, 800693061, 806876019, 1029462507, 1105718989, 1882710711, 2402079183, 3317156967, 5648132133, 7206237549, 7740032923, 9951470901, 23220098769, 29854412703, 69660296307, 208980888921]

約数ペア:

[(1, 208980888921), (3, 69660296307), (7, 29854412703), (9, 23220098769), (21, 9951470901), (27, 7740032923), (29, 7206237549), (37, 5648132133), (63, 3317156967), (87, 2402079183), (111, 1882710711), (189, 1105718989), (203, 1029462507), (259, 806876019), (261, 800693061), (333, 627570237), (609, 343154169), (777, 268958673), (783, 266897687), (999, 209190079), (1073, 194763177), (1827, 114384723), (2331, 89652891), (3219, 64921059), (5481, 38128241), (6993, 29884297), (7511, 27823311), (9657, 21640353), (22533, 9274437), (28971, 7213451), (67599, 3091479), (202797, 1030493)]