7948431

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{919}}^1$

素因数の和:987

約数の個数: 18

約数和(自身を含む): 11876280

約数和(自身を除く): 3927849

約数列:

[1, 3, 9, 31, 93, 279, 919, 961, 2757, 2883, 8271, 8649, 28489, 85467, 256401, 883159, 2649477, 7948431]

約数ペア:

[(1, 7948431), (3, 2649477), (9, 883159), (31, 256401), (93, 85467), (279, 28489), (919, 8649), (961, 8271), (2757, 2883)]