1085975

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{359}}^1$

素因数の和:391

約数の個数: 18

約数和(自身を含む): 1484280

約数和(自身を除く): 398305

約数列:

[1, 5, 11, 25, 55, 121, 275, 359, 605, 1795, 3025, 3949, 8975, 19745, 43439, 98725, 217195, 1085975]

約数ペア:

[(1, 1085975), (5, 217195), (11, 98725), (25, 43439), (55, 19745), (121, 8975), (275, 3949), (359, 3025), (605, 1795)]