1668357

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:534

約数の個数: 20

約数和(自身を含む): 2555520

約数和(自身を除く): 887163

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 479, 1161, 1437, 3483, 4311, 12933, 20597, 38799, 61791, 185373, 556119, 1668357]

約数ペア:

[(1, 1668357), (3, 556119), (9, 185373), (27, 61791), (43, 38799), (81, 20597), (129, 12933), (387, 4311), (479, 3483), (1161, 1437)]