123249917

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1\times {\mathrm{829}}^1$

素因数の和:1220

約数の個数: 16

約数和(自身を含む): 143583360

約数和(自身を除く): 20333443

約数列:

[1, 7, 67, 317, 469, 829, 2219, 5803, 21239, 55543, 148673, 262793, 388801, 1839551, 17607131, 123249917]

約数ペア:

[(1, 123249917), (7, 17607131), (67, 1839551), (317, 388801), (469, 262793), (829, 148673), (2219, 55543), (5803, 21239)]