639522081

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{2153273}}^1$

素因数の和:2153293

約数の個数: 16

約数和(自身を含む): 1033571520

約数和(自身を除く): 394049439

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 2153273, 6459819, 19379457, 23686003, 58138371, 71058009, 213174027, 639522081]

約数ペア:

[(1, 639522081), (3, 213174027), (9, 71058009), (11, 58138371), (27, 23686003), (33, 19379457), (99, 6459819), (297, 2153273)]