81871439

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{2917}}^1$

素因数の和:3074

約数の個数: 16

約数和(自身を含む): 94123008

約数和(自身を除く): 12251569

約数列:

[1, 13, 17, 127, 221, 1651, 2159, 2917, 28067, 37921, 49589, 370459, 644657, 4815967, 6297803, 81871439]

約数ペア:

[(1, 81871439), (13, 6297803), (17, 4815967), (127, 644657), (221, 370459), (1651, 49589), (2159, 37921), (2917, 28067)]