28183905

素因数分解:

$3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2437}}^1$

素因数の和:2705

約数の個数: 24

約数和(自身を含む): 49062312

約数和(自身を除く): 20878407

約数列:

[1, 3, 5, 9, 15, 45, 257, 771, 1285, 2313, 2437, 3855, 7311, 11565, 12185, 21933, 36555, 109665, 626309, 1878927, 3131545, 5636781, 9394635, 28183905]

約数ペア:

[(1, 28183905), (3, 9394635), (5, 5636781), (9, 3131545), (15, 1878927), (45, 626309), (257, 109665), (771, 36555), (1285, 21933), (2313, 12185), (2437, 11565), (3855, 7311)]