209420079

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{467}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 310542336

約数和(自身を除く): 101122257

約数列:

[1, 3, 11, 33, 107, 127, 321, 381, 467, 1177, 1397, 1401, 3531, 4191, 5137, 13589, 15411, 40767, 49969, 59309, 149479, 149907, 177927, 448437, 549659, 652399, 1648977, 1957197, 6346063, 19038189, 69806693, 209420079]

約数ペア:

[(1, 209420079), (3, 69806693), (11, 19038189), (33, 6346063), (107, 1957197), (127, 1648977), (321, 652399), (381, 549659), (467, 448437), (1177, 177927), (1397, 149907), (1401, 149479), (3531, 59309), (4191, 49969), (5137, 40767), (13589, 15411)]