123759990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{1375111}}^1$

素因数の和:1375124

約数の個数: 24

約数和(自身を含む): 321776208

約数和(自身を除く): 198016218

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1375111, 2750222, 4125333, 6875555, 8250666, 12375999, 13751110, 20626665, 24751998, 41253330, 61879995, 123759990]

約数ペア:

[(1, 123759990), (2, 61879995), (3, 41253330), (5, 24751998), (6, 20626665), (9, 13751110), (10, 12375999), (15, 8250666), (18, 6875555), (30, 4125333), (45, 2750222), (90, 1375111)]