28304367

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{521}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 46771200

約数和(自身を除く): 18466833

約数列:

[1, 3, 7, 13, 21, 39, 91, 199, 273, 521, 597, 1393, 1563, 2587, 3647, 4179, 6773, 7761, 10941, 18109, 20319, 47411, 54327, 103679, 142233, 311037, 725753, 1347827, 2177259, 4043481, 9434789, 28304367]

約数ペア:

[(1, 28304367), (3, 9434789), (7, 4043481), (13, 2177259), (21, 1347827), (39, 725753), (91, 311037), (199, 142233), (273, 103679), (521, 54327), (597, 47411), (1393, 20319), (1563, 18109), (2587, 10941), (3647, 7761), (4179, 6773)]