28688265

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37501}}^1$

素因数の和:37529

約数の個数: 24

約数和(自身を含む): 52652808

約数和(自身を除く): 23964543

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 37501, 112503, 187505, 337509, 562515, 637517, 1687545, 1912551, 3187585, 5737653, 9562755, 28688265]

約数ペア:

[(1, 28688265), (3, 9562755), (5, 5737653), (9, 3187585), (15, 1912551), (17, 1687545), (45, 637517), (51, 562515), (85, 337509), (153, 187505), (255, 112503), (765, 37501)]