208761639

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{64373}}^1$

素因数の和:64446

約数の個数: 16

約数和(自身を含む): 296635392

約数和(自身を除く): 87873753

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 64373, 193119, 1480579, 3025531, 4441737, 9076593, 69587213, 208761639]

約数ペア:

[(1, 208761639), (3, 69587213), (23, 9076593), (47, 4441737), (69, 3025531), (141, 1480579), (1081, 193119), (3243, 64373)]