205718187

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4241}}^1$

素因数の和:4323

約数の個数: 32

約数和(自身を含む): 309496320

約数和(自身を除く): 103778133

約数列:

[1, 3, 19, 23, 37, 57, 69, 111, 437, 703, 851, 1311, 2109, 2553, 4241, 12723, 16169, 48507, 80579, 97543, 156917, 241737, 292629, 470751, 1853317, 2981423, 3609091, 5559951, 8944269, 10827273, 68572729, 205718187]

約数ペア:

[(1, 205718187), (3, 68572729), (19, 10827273), (23, 8944269), (37, 5559951), (57, 3609091), (69, 2981423), (111, 1853317), (437, 470751), (703, 292629), (851, 241737), (1311, 156917), (2109, 97543), (2553, 80579), (4241, 48507), (12723, 16169)]