217410411

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{5333}}^1$

素因数の和:5570

約数の個数: 16

約数和(自身を含む): 294948864

約数和(自身を除く): 77538453

約数列:

[1, 3, 107, 127, 321, 381, 5333, 13589, 15999, 40767, 570631, 677291, 1711893, 2031873, 72470137, 217410411]

約数ペア:

[(1, 217410411), (3, 72470137), (107, 2031873), (127, 1711893), (321, 677291), (381, 570631), (5333, 40767), (13589, 15999)]