28691055

素因数分解:

$3^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{877}}^1$

素因数の和:1615

約数の個数: 24

約数和(自身を含む): 49856352

約数和(自身を除く): 21165297

約数列:

[1, 3, 5, 9, 15, 45, 727, 877, 2181, 2631, 3635, 4385, 6543, 7893, 10905, 13155, 32715, 39465, 637579, 1912737, 3187895, 5738211, 9563685, 28691055]

約数ペア:

[(1, 28691055), (3, 9563685), (5, 5738211), (9, 3187895), (15, 1912737), (45, 637579), (727, 39465), (877, 32715), (2181, 13155), (2631, 10905), (3635, 7893), (4385, 6543)]