209340963

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{25931}}^1$

素因数の和:25976

約数の個数: 32

約数和(自身を含む): 348526080

約数和(自身を除く): 139185117

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 8073, 25931, 77793, 233379, 337103, 596413, 700137, 1011309, 1789239, 3033927, 5367717, 7753369, 9101781, 16103151, 23260107, 69780321, 209340963]

約数ペア:

[(1, 209340963), (3, 69780321), (9, 23260107), (13, 16103151), (23, 9101781), (27, 7753369), (39, 5367717), (69, 3033927), (117, 1789239), (207, 1011309), (299, 700137), (351, 596413), (621, 337103), (897, 233379), (2691, 77793), (8073, 25931)]