81640893

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{419}}^1\times {\mathrm{607}}^1$

素因数の和:1136

約数の個数: 16

約数和(自身を含む): 110315520

約数和(自身を除く): 28674627

約数列:

[1, 3, 107, 321, 419, 607, 1257, 1821, 44833, 64949, 134499, 194847, 254333, 762999, 27213631, 81640893]

約数ペア:

[(1, 81640893), (3, 27213631), (107, 762999), (321, 254333), (419, 194847), (607, 134499), (1257, 64949), (1821, 44833)]