81615747

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{2861}}^1$

素因数の和:3158

約数の個数: 16

約数和(自身を含む): 112236192

約数和(自身を除く): 30620445

約数列:

[1, 3, 37, 111, 257, 771, 2861, 8583, 9509, 28527, 105857, 317571, 735277, 2205831, 27205249, 81615747]

約数ペア:

[(1, 81615747), (3, 27205249), (37, 2205831), (111, 735277), (257, 317571), (771, 105857), (2861, 28527), (8583, 9509)]