42120111

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{17977}}^1$

素因数の和:18062

約数の個数: 16

約数和(自身を含む): 62131968

約数和(自身を除く): 20011857

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 17977, 53931, 197747, 593241, 1276367, 3829101, 14040037, 42120111]

約数ペア:

[(1, 42120111), (3, 14040037), (11, 3829101), (33, 1276367), (71, 593241), (213, 197747), (781, 53931), (2343, 17977)]