123161857

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71233}}^1$

素因数の和:71272

約数の個数: 16

約数和(自身を含む): 159564160

約数和(自身を除く): 36402303

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 71233, 498631, 926029, 1353427, 6482203, 9473989, 17594551, 123161857]

約数ペア:

[(1, 123161857), (7, 17594551), (13, 9473989), (19, 6482203), (91, 1353427), (133, 926029), (247, 498631), (1729, 71233)]