388777005

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{53003}}^1$

素因数の和:53177

約数の個数: 24

約数和(自身を含む): 678027168

約数和(自身を除く): 289250163

約数列:

[1, 3, 5, 9, 15, 45, 163, 489, 815, 1467, 2445, 7335, 53003, 159009, 265015, 477027, 795045, 2385135, 8639489, 25918467, 43197445, 77755401, 129592335, 388777005]

約数ペア:

[(1, 388777005), (3, 129592335), (5, 77755401), (9, 43197445), (15, 25918467), (45, 8639489), (163, 2385135), (489, 795045), (815, 477027), (1467, 265015), (2445, 159009), (7335, 53003)]