28013445

素因数分解:

$3^4\times 5^1\times {\mathrm{263}}^2$

素因数の和:543

約数の個数: 30

約数和(自身を含む): 50408358

約数和(自身を除く): 22394913

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 263, 405, 789, 1315, 2367, 3945, 7101, 11835, 21303, 35505, 69169, 106515, 207507, 345845, 622521, 1037535, 1867563, 3112605, 5602689, 9337815, 28013445]

約数ペア:

[(1, 28013445), (3, 9337815), (5, 5602689), (9, 3112605), (15, 1867563), (27, 1037535), (45, 622521), (81, 345845), (135, 207507), (263, 106515), (405, 69169), (789, 35505), (1315, 21303), (2367, 11835), (3945, 7101)]