18563181

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{701}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 30820608

約数和(自身を除く): 12257427

約数列:

[1, 3, 7, 13, 21, 39, 91, 97, 273, 291, 679, 701, 1261, 2037, 2103, 3783, 4907, 8827, 9113, 14721, 26481, 27339, 63791, 67997, 191373, 203991, 475979, 883961, 1427937, 2651883, 6187727, 18563181]

約数ペア:

[(1, 18563181), (3, 6187727), (7, 2651883), (13, 1427937), (21, 883961), (39, 475979), (91, 203991), (97, 191373), (273, 67997), (291, 63791), (679, 27339), (701, 26481), (1261, 14721), (2037, 9113), (2103, 8827), (3783, 4907)]