2490669

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:426

約数の個数: 20

約数和(自身を含む): 3770844

約数和(自身を除く): 1280175

約数列:

[1, 3, 9, 27, 81, 97, 291, 317, 873, 951, 2619, 2853, 7857, 8559, 25677, 30749, 92247, 276741, 830223, 2490669]

約数ペア:

[(1, 2490669), (3, 830223), (9, 276741), (27, 92247), (81, 30749), (97, 25677), (291, 8559), (317, 7857), (873, 2853), (951, 2619)]