28987605

素因数分解:

$3^3\times 5^1\times {\mathrm{214723}}^1$

素因数の和:214737

約数の個数: 16

約数和(自身を含む): 51533760

約数和(自身を除く): 22546155

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 214723, 644169, 1073615, 1932507, 3220845, 5797521, 9662535, 28987605]

約数ペア:

[(1, 28987605), (3, 9662535), (5, 5797521), (9, 3220845), (15, 1932507), (27, 1073615), (45, 644169), (135, 214723)]