28152855

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15259}}^1$

素因数の和:15311

約数の個数: 24

約数和(自身を含む): 49991760

約数和(自身を除く): 21838905

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 15259, 45777, 76295, 137331, 228885, 625619, 686655, 1876857, 3128095, 5630571, 9384285, 28152855]

約数ペア:

[(1, 28152855), (3, 9384285), (5, 5630571), (9, 3128095), (15, 1876857), (41, 686655), (45, 625619), (123, 228885), (205, 137331), (369, 76295), (615, 45777), (1845, 15259)]