18171891

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{4517}}^1$

素因数の和:4675

約数の個数: 16

約数和(自身を含む): 27108000

約数和(自身を除く): 8936109

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 4517, 13551, 40653, 121959, 673033, 2019099, 6057297, 18171891]

約数ペア:

[(1, 18171891), (3, 6057297), (9, 2019099), (27, 673033), (149, 121959), (447, 40653), (1341, 13551), (4023, 4517)]