127128491

素因数分解:

$7^3\times {\mathrm{97}}^1\times {\mathrm{3821}}^1$

素因数の和:3939

約数の個数: 16

約数和(自身を含む): 149822400

約数和(自身を除く): 22693909

約数列:

[1, 7, 49, 97, 343, 679, 3821, 4753, 26747, 33271, 187229, 370637, 1310603, 2594459, 18161213, 127128491]

約数ペア:

[(1, 127128491), (7, 18161213), (49, 2594459), (97, 1310603), (343, 370637), (679, 187229), (3821, 33271), (4753, 26747)]