28265787

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5009}}^1$

素因数の和:5048

約数の個数: 32

約数和(自身を含む): 48096000

約数和(自身を除く): 19830213

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 5009, 5643, 15027, 45081, 55099, 95171, 135243, 165297, 285513, 495891, 856539, 1046881, 1487673, 2569617, 3140643, 9421929, 28265787]

約数ペア:

[(1, 28265787), (3, 9421929), (9, 3140643), (11, 2569617), (19, 1487673), (27, 1046881), (33, 856539), (57, 495891), (99, 285513), (171, 165297), (209, 135243), (297, 95171), (513, 55099), (627, 45081), (1881, 15027), (5009, 5643)]