247863309

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{21589}}^1$

素因数の和:21724

約数の個数: 16

約数和(自身を含む): 341985600

約数和(自身を除く): 94122291

約数列:

[1, 3, 43, 89, 129, 267, 3827, 11481, 21589, 64767, 928327, 1921421, 2784981, 5764263, 82621103, 247863309]

約数ペア:

[(1, 247863309), (3, 82621103), (43, 5764263), (89, 2784981), (129, 1921421), (267, 928327), (3827, 64767), (11481, 21589)]