15550155

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20327}}^1$

素因数の和:20355

約数の個数: 24

約数和(自身を含む): 28540512

約数和(自身を除く): 12990357

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 20327, 60981, 101635, 182943, 304905, 345559, 914715, 1036677, 1727795, 3110031, 5183385, 15550155]

約数ペア:

[(1, 15550155), (3, 5183385), (5, 3110031), (9, 1727795), (15, 1036677), (17, 914715), (45, 345559), (51, 304905), (85, 182943), (153, 101635), (255, 60981), (765, 20327)]