1721000727

素因数分解:

$3^2\times {\mathrm{227}}^1\times {\mathrm{263}}^1\times {\mathrm{3203}}^1$

素因数の和:3699

約数の個数: 24

約数和(自身を含む): 2507117184

約数和(自身を除く): 786116457

約数列:

[1, 3, 9, 227, 263, 681, 789, 2043, 2367, 3203, 9609, 28827, 59701, 179103, 537309, 727081, 842389, 2181243, 2527167, 6543729, 7581501, 191222303, 573666909, 1721000727]

約数ペア:

[(1, 1721000727), (3, 573666909), (9, 191222303), (227, 7581501), (263, 6543729), (681, 2527167), (789, 2181243), (2043, 842389), (2367, 727081), (3203, 537309), (9609, 179103), (28827, 59701)]