18017727

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2129}}^1$

素因数の和:2183

約数の個数: 32

約数和(自身を含む): 30535680

約数和(自身を除く): 12517953

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2129, 2821, 6387, 8463, 14903, 27677, 44709, 65999, 83031, 193739, 197997, 461993, 581217, 857987, 1385979, 2573961, 6005909, 18017727]

約数ペア:

[(1, 18017727), (3, 6005909), (7, 2573961), (13, 1385979), (21, 857987), (31, 581217), (39, 461993), (91, 197997), (93, 193739), (217, 83031), (273, 65999), (403, 44709), (651, 27677), (1209, 14903), (2129, 8463), (2821, 6387)]