16851519

素因数分解:

$3^2\times {\mathrm{97}}^2\times {\mathrm{199}}^1$

素因数の和:399

約数の個数: 18

約数和(自身を含む): 24718200

約数和(自身を除く): 7866681

約数列:

[1, 3, 9, 97, 199, 291, 597, 873, 1791, 9409, 19303, 28227, 57909, 84681, 173727, 1872391, 5617173, 16851519]

約数ペア:

[(1, 16851519), (3, 5617173), (9, 1872391), (97, 173727), (199, 84681), (291, 57909), (597, 28227), (873, 19303), (1791, 9409)]