1281555

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{863}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 2488320

約数和(自身を除く): 1206765

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 863, 1485, 2589, 4315, 7767, 9493, 12945, 23301, 28479, 38835, 47465, 85437, 116505, 142395, 256311, 427185, 1281555]

約数ペア:

[(1, 1281555), (3, 427185), (5, 256311), (9, 142395), (11, 116505), (15, 85437), (27, 47465), (33, 38835), (45, 28479), (55, 23301), (99, 12945), (135, 9493), (165, 7767), (297, 4315), (495, 2589), (863, 1485)]