129272857

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{21701}}^1$

素因数の和:21768

約数の個数: 16

約数和(自身を含む): 158337792

約数和(自身を除く): 29064935

約数列:

[1, 7, 23, 37, 161, 259, 851, 5957, 21701, 151907, 499123, 802937, 3493861, 5620559, 18467551, 129272857]

約数ペア:

[(1, 129272857), (7, 18467551), (23, 5620559), (37, 3493861), (161, 802937), (259, 499123), (851, 151907), (5957, 21701)]