28567485

素因数分解:

$3^4\times 5^1\times {\mathrm{70537}}^1$

素因数の和:70554

約数の個数: 20

約数和(自身を含む): 51210588

約数和(自身を除く): 22643103

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 70537, 211611, 352685, 634833, 1058055, 1904499, 3174165, 5713497, 9522495, 28567485]

約数ペア:

[(1, 28567485), (3, 9522495), (5, 5713497), (9, 3174165), (15, 1904499), (27, 1058055), (45, 634833), (81, 352685), (135, 211611), (405, 70537)]