129957275

素因数分解:

$5^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1723}}^1$

素因数の和:2171

約数の個数: 24

約数和(自身を含む): 184702464

約数和(自身を除く): 54745189

約数列:

[1, 5, 7, 25, 35, 175, 431, 1723, 2155, 3017, 8615, 10775, 12061, 15085, 43075, 60305, 75425, 301525, 742613, 3713065, 5198291, 18565325, 25991455, 129957275]

約数ペア:

[(1, 129957275), (5, 25991455), (7, 18565325), (25, 5198291), (35, 3713065), (175, 742613), (431, 301525), (1723, 75425), (2155, 60305), (3017, 43075), (8615, 15085), (10775, 12061)]