13211295

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{503}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 22643712

約数和(自身を除く): 9432417

約数列:

[1, 3, 5, 15, 17, 51, 85, 103, 255, 309, 503, 515, 1509, 1545, 1751, 2515, 5253, 7545, 8551, 8755, 25653, 26265, 42755, 51809, 128265, 155427, 259045, 777135, 880753, 2642259, 4403765, 13211295]

約数ペア:

[(1, 13211295), (3, 4403765), (5, 2642259), (15, 880753), (17, 777135), (51, 259045), (85, 155427), (103, 128265), (255, 51809), (309, 42755), (503, 26265), (515, 25653), (1509, 8755), (1545, 8551), (1751, 7545), (2515, 5253)]