16001721

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{3361}}^1$

素因数の和:3413

約数の個数: 18

約数和(自身を含む): 24169418

約数和(自身を除く): 8167697

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 3361, 4761, 10083, 30249, 77303, 231909, 695727, 1777969, 5333907, 16001721]

約数ペア:

[(1, 16001721), (3, 5333907), (9, 1777969), (23, 695727), (69, 231909), (207, 77303), (529, 30249), (1587, 10083), (3361, 4761)]