257721912009

素因数分解:

$3^2\times {\mathrm{317}}^1\times {\mathrm{1361}}^1\times {\mathrm{66373}}^1$

素因数の和:68057

約数の個数: 24

約数和(自身を含む): 373719337992

約数和(自身を除く): 115997425983

約数列:

[1, 3, 9, 317, 951, 1361, 2853, 4083, 12249, 66373, 199119, 431437, 597357, 1294311, 3882933, 21040241, 63120723, 90333653, 189362169, 271000959, 813002877, 28635768001, 85907304003, 257721912009]

約数ペア:

[(1, 257721912009), (3, 85907304003), (9, 28635768001), (317, 813002877), (951, 271000959), (1361, 189362169), (2853, 90333653), (4083, 63120723), (12249, 21040241), (66373, 3882933), (199119, 1294311), (431437, 597357)]