209292321

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{5479}}^1$

素因数の和:5613

約数の個数: 32

約数和(自身を含む): 340899840

約数和(自身を除く): 131607519

約数列:

[1, 3, 7, 17, 21, 51, 107, 119, 321, 357, 749, 1819, 2247, 5457, 5479, 12733, 16437, 38199, 38353, 93143, 115059, 279429, 586253, 652001, 1758759, 1956003, 4103771, 9966301, 12311313, 29898903, 69764107, 209292321]

約数ペア:

[(1, 209292321), (3, 69764107), (7, 29898903), (17, 12311313), (21, 9966301), (51, 4103771), (107, 1956003), (119, 1758759), (321, 652001), (357, 586253), (749, 279429), (1819, 115059), (2247, 93143), (5457, 38353), (5479, 38199), (12733, 16437)]