201121445

素因数分解:

$5^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{7103}}^1$

素因数の和:7924

約数の個数: 16

約数和(自身を含む): 276203520

約数和(自身を除く): 75082075

約数列:

[1, 5, 7, 35, 809, 4045, 5663, 7103, 28315, 35515, 49721, 248605, 5746327, 28731635, 40224289, 201121445]

約数ペア:

[(1, 201121445), (5, 40224289), (7, 28731635), (35, 5746327), (809, 248605), (4045, 49721), (5663, 35515), (7103, 28315)]