8993999

素因数分解:

$7^2\times {\mathrm{31}}^2\times {\mathrm{191}}^1$

素因数の和:267

約数の個数: 18

約数和(自身を含む): 10867392

約数和(自身を除く): 1873393

約数列:

[1, 7, 31, 49, 191, 217, 961, 1337, 1519, 5921, 6727, 9359, 41447, 47089, 183551, 290129, 1284857, 8993999]

約数ペア:

[(1, 8993999), (7, 1284857), (31, 290129), (49, 183551), (191, 47089), (217, 41447), (961, 9359), (1337, 6727), (1519, 5921)]