208520403

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{763811}}^1$

素因数の和:763834

約数の個数: 16

約数和(自身を含む): 342187776

約数和(自身を除く): 133667373

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 763811, 2291433, 5346677, 9929543, 16040031, 29788629, 69506801, 208520403]

約数ペア:

[(1, 208520403), (3, 69506801), (7, 29788629), (13, 16040031), (21, 9929543), (39, 5346677), (91, 2291433), (273, 763811)]