257109765

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{14563}}^1$

素因数の和:14689

約数の個数: 32

約数和(自身を含む): 452998656

約数和(自身を除く): 195888891

約数列:

[1, 3, 5, 11, 15, 33, 55, 107, 165, 321, 535, 1177, 1605, 3531, 5885, 14563, 17655, 43689, 72815, 160193, 218445, 480579, 800965, 1558241, 2402895, 4674723, 7791205, 17140651, 23373615, 51421953, 85703255, 257109765]

約数ペア:

[(1, 257109765), (3, 85703255), (5, 51421953), (11, 23373615), (15, 17140651), (33, 7791205), (55, 4674723), (107, 2402895), (165, 1558241), (321, 800965), (535, 480579), (1177, 218445), (1605, 160193), (3531, 72815), (5885, 43689), (14563, 17655)]