203945259

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{11887}}^1$

素因数の和:11959

約数の個数: 32

約数和(自身を含む): 334766080

約数和(自身を除く): 130820821

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 817, 903, 2451, 5719, 11887, 17157, 35661, 83209, 225853, 249627, 511141, 677559, 1533423, 1580971, 3577987, 4742913, 9711679, 10733961, 29135037, 67981753, 203945259]

約数ペア:

[(1, 203945259), (3, 67981753), (7, 29135037), (19, 10733961), (21, 9711679), (43, 4742913), (57, 3577987), (129, 1580971), (133, 1533423), (301, 677559), (399, 511141), (817, 249627), (903, 225853), (2451, 83209), (5719, 35661), (11887, 17157)]