12742839

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{2579}}^1$

素因数の和:2652

約数の個数: 20

約数和(自身を含む): 19355160

約数和(自身を除く): 6612321

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 2579, 4941, 7737, 23211, 69633, 157319, 208899, 471957, 1415871, 4247613, 12742839]

約数ペア:

[(1, 12742839), (3, 4247613), (9, 1415871), (27, 471957), (61, 208899), (81, 157319), (183, 69633), (549, 23211), (1647, 7737), (2579, 4941)]