28889415

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{17351}}^1$

素因数の和:17399

約数の個数: 24

約数和(自身を含む): 51431328

約数和(自身を除く): 22541913

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 17351, 52053, 86755, 156159, 260265, 641987, 780795, 1925961, 3209935, 5777883, 9629805, 28889415]

約数ペア:

[(1, 28889415), (3, 9629805), (5, 5777883), (9, 3209935), (15, 1925961), (37, 780795), (45, 641987), (111, 260265), (185, 156159), (333, 86755), (555, 52053), (1665, 17351)]