27801963

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2741}}^1$

素因数の和:2784

約数の個数: 36

約数和(自身を含む): 48763728

約数和(自身を除く): 20961765

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 2741, 3381, 8223, 10143, 19187, 24669, 57561, 63043, 134309, 172683, 189129, 402927, 441301, 567387, 1208781, 1323903, 3089107, 3971709, 9267321, 27801963]

約数ペア:

[(1, 27801963), (3, 9267321), (7, 3971709), (9, 3089107), (21, 1323903), (23, 1208781), (49, 567387), (63, 441301), (69, 402927), (147, 189129), (161, 172683), (207, 134309), (441, 63043), (483, 57561), (1127, 24669), (1449, 19187), (2741, 10143), (3381, 8223)]