19863927

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1103}}^1$

素因数の和:1164

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 11931273

約数列:

[1, 3, 9, 23, 27, 29, 69, 87, 207, 261, 621, 667, 783, 1103, 2001, 3309, 6003, 9927, 18009, 25369, 29781, 31987, 76107, 95961, 228321, 287883, 684963, 735701, 863649, 2207103, 6621309, 19863927]

約数ペア:

[(1, 19863927), (3, 6621309), (9, 2207103), (23, 863649), (27, 735701), (29, 684963), (69, 287883), (87, 228321), (207, 95961), (261, 76107), (621, 31987), (667, 29781), (783, 25369), (1103, 18009), (2001, 9927), (3309, 6003)]