1320485427

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{1999}}^1\times {\mathrm{3863}}^1$

素因数の和:5887

約数の個数: 24

約数和(自身を含む): 2009280000

約数和(自身を除く): 688794573

約数列:

[1, 3, 9, 19, 57, 171, 1999, 3863, 5997, 11589, 17991, 34767, 37981, 73397, 113943, 220191, 341829, 660573, 7722137, 23166411, 69499233, 146720603, 440161809, 1320485427]

約数ペア:

[(1, 1320485427), (3, 440161809), (9, 146720603), (19, 69499233), (57, 23166411), (171, 7722137), (1999, 660573), (3863, 341829), (5997, 220191), (11589, 113943), (17991, 73397), (34767, 37981)]