27999990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{311111}}^1$

素因数の和:311124

約数の個数: 24

約数和(自身を含む): 72800208

約数和(自身を除く): 44800218

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 311111, 622222, 933333, 1555555, 1866666, 2799999, 3111110, 4666665, 5599998, 9333330, 13999995, 27999990]

約数ペア:

[(1, 27999990), (2, 13999995), (3, 9333330), (5, 5599998), (6, 4666665), (9, 3111110), (10, 2799999), (15, 1866666), (18, 1555555), (30, 933333), (45, 622222), (90, 311111)]