28252395

素因数分解:

$3^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:383

約数の個数: 56

約数和(自身を含む): 53198496

約数和(自身を除く): 24946101

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 337, 345, 405, 621, 729, 1011, 1035, 1215, 1685, 1863, 3033, 3105, 3645, 5055, 5589, 7751, 9099, 9315, 15165, 16767, 23253, 27297, 27945, 38755, 45495, 69759, 81891, 83835, 116265, 136485, 209277, 245673, 348795, 409455, 627831, 1046385, 1228365, 1883493, 3139155, 5650479, 9417465, 28252395]

約数ペア:

[(1, 28252395), (3, 9417465), (5, 5650479), (9, 3139155), (15, 1883493), (23, 1228365), (27, 1046385), (45, 627831), (69, 409455), (81, 348795), (115, 245673), (135, 209277), (207, 136485), (243, 116265), (337, 83835), (345, 81891), (405, 69759), (621, 45495), (729, 38755), (1011, 27945), (1035, 27297), (1215, 23253), (1685, 16767), (1863, 15165), (3033, 9315), (3105, 9099), (3645, 7751), (5055, 5589)]