18735111

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{4657}}^1$

素因数の和:4815

約数の個数: 16

約数和(自身を含む): 27948000

約数和(自身を除く): 9212889

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 4657, 13971, 41913, 125739, 693893, 2081679, 6245037, 18735111]

約数ペア:

[(1, 18735111), (3, 6245037), (9, 2081679), (27, 693893), (149, 125739), (447, 41913), (1341, 13971), (4023, 4657)]