208654809

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^2\times {\mathrm{193}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 306765216

約数和(自身を除く): 98110407

約数列:

[1, 3, 11, 33, 181, 193, 543, 579, 1991, 2123, 5973, 6369, 32761, 34933, 98283, 104799, 360371, 384263, 1081113, 1152789, 6322873, 18968619, 69551603, 208654809]

約数ペア:

[(1, 208654809), (3, 69551603), (11, 18968619), (33, 6322873), (181, 1152789), (193, 1081113), (543, 384263), (579, 360371), (1991, 104799), (2123, 98283), (5973, 34933), (6369, 32761)]