18408015

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3221}}^1$

素因数の和:3359

約数の個数: 24

約数和(自身を含む): 32168448

約数和(自身を除く): 13760433

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 3221, 5715, 9663, 16105, 28989, 48315, 144945, 409067, 1227201, 2045335, 3681603, 6136005, 18408015]

約数ペア:

[(1, 18408015), (3, 6136005), (5, 3681603), (9, 2045335), (15, 1227201), (45, 409067), (127, 144945), (381, 48315), (635, 28989), (1143, 16105), (1905, 9663), (3221, 5715)]