212762973

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 306561024

約数和(自身を除く): 93798051

約数列:

[1, 3, 17, 51, 107, 127, 307, 321, 381, 921, 1819, 2159, 5219, 5457, 6477, 13589, 15657, 32849, 38989, 40767, 98547, 116967, 231013, 558433, 662813, 693039, 1675299, 1988439, 4171823, 12515469, 70920991, 212762973]

約数ペア:

[(1, 212762973), (3, 70920991), (17, 12515469), (51, 4171823), (107, 1988439), (127, 1675299), (307, 693039), (321, 662813), (381, 558433), (921, 231013), (1819, 116967), (2159, 98547), (5219, 40767), (5457, 38989), (6477, 32849), (13589, 15657)]