217602717

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{7457}}^1$

素因数の和:7668

約数の個数: 16

約数和(自身を含む): 296410752

約数和(自身を除く): 78808035

約数列:

[1, 3, 71, 137, 213, 411, 7457, 9727, 22371, 29181, 529447, 1021609, 1588341, 3064827, 72534239, 217602717]

約数ペア:

[(1, 217602717), (3, 72534239), (71, 3064827), (137, 1588341), (213, 1021609), (411, 529447), (7457, 29181), (9727, 22371)]