2712255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1987}}^1$

素因数の和:2015

約数の個数: 32

約数和(自身を含む): 5343744

約数和(自身を除く): 2631489

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 1987, 5961, 9935, 13909, 25831, 29805, 41727, 69545, 77493, 129155, 180817, 208635, 387465, 542451, 904085, 2712255]

約数ペア:

[(1, 2712255), (3, 904085), (5, 542451), (7, 387465), (13, 208635), (15, 180817), (21, 129155), (35, 77493), (39, 69545), (65, 41727), (91, 29805), (105, 25831), (195, 13909), (273, 9935), (455, 5961), (1365, 1987)]