81650881

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 94762304

約数和(自身を除く): 13111423

約数列:

[1, 13, 17, 103, 211, 221, 289, 1339, 1751, 2743, 3587, 3757, 21733, 22763, 29767, 46631, 60979, 282529, 369461, 386971, 792727, 4802993, 6280837, 81650881]

約数ペア:

[(1, 81650881), (13, 6280837), (17, 4802993), (103, 792727), (211, 386971), (221, 369461), (289, 282529), (1339, 60979), (1751, 46631), (2743, 29767), (3587, 22763), (3757, 21733)]