1257642309

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{115837}}^1$

素因数の和:115905

約数の個数: 32

約数和(自身を含む): 2135126016

約数和(自身を除く): 877483707

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 141, 231, 329, 517, 987, 1551, 3619, 10857, 115837, 347511, 810859, 1274207, 2432577, 3822621, 5444339, 8919449, 16333017, 26758347, 38110373, 59887729, 114331119, 179663187, 419214103, 1257642309]

約数ペア:

[(1, 1257642309), (3, 419214103), (7, 179663187), (11, 114331119), (21, 59887729), (33, 38110373), (47, 26758347), (77, 16333017), (141, 8919449), (231, 5444339), (329, 3822621), (517, 2432577), (987, 1274207), (1551, 810859), (3619, 347511), (10857, 115837)]