1661359

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:654

約数の個数: 16

約数和(自身を含む): 2101248

約数和(自身を除く): 439889

約数列:

[1, 7, 17, 23, 119, 161, 391, 607, 2737, 4249, 10319, 13961, 72233, 97727, 237337, 1661359]

約数ペア:

[(1, 1661359), (7, 237337), (17, 97727), (23, 72233), (119, 13961), (161, 10319), (391, 4249), (607, 2737)]