80199171

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 134534400

約数和(自身を除く): 54335229

約数列:

[1, 3, 9, 13, 19, 39, 43, 57, 117, 129, 171, 247, 387, 559, 741, 817, 839, 1677, 2223, 2451, 2517, 5031, 7353, 7551, 10621, 10907, 15941, 31863, 32721, 36077, 47823, 95589, 98163, 108231, 143469, 207233, 324693, 469001, 621699, 685463, 1407003, 1865097, 2056389, 4221009, 6169167, 8911019, 26733057, 80199171]

約数ペア:

[(1, 80199171), (3, 26733057), (9, 8911019), (13, 6169167), (19, 4221009), (39, 2056389), (43, 1865097), (57, 1407003), (117, 685463), (129, 621699), (171, 469001), (247, 324693), (387, 207233), (559, 143469), (741, 108231), (817, 98163), (839, 95589), (1677, 47823), (2223, 36077), (2451, 32721), (2517, 31863), (5031, 15941), (7353, 10907), (7551, 10621)]