8320389

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 13977600

約数和(自身を除く): 5657211

約数列:

[1, 3, 7, 11, 21, 33, 77, 181, 199, 231, 543, 597, 1267, 1393, 1991, 2189, 3801, 4179, 5973, 6567, 13937, 15323, 36019, 41811, 45969, 108057, 252133, 396209, 756399, 1188627, 2773463, 8320389]

約数ペア:

[(1, 8320389), (3, 2773463), (7, 1188627), (11, 756399), (21, 396209), (33, 252133), (77, 108057), (181, 45969), (199, 41811), (231, 36019), (543, 15323), (597, 13937), (1267, 6567), (1393, 5973), (1991, 4179), (2189, 3801)]