197885919

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{856649}}^1$

素因数の和:856670

約数の個数: 16

約数和(自身を含む): 328953600

約数和(自身を除く): 131067681

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 856649, 2569947, 5996543, 9423139, 17989629, 28269417, 65961973, 197885919]

約数ペア:

[(1, 197885919), (3, 65961973), (7, 28269417), (11, 17989629), (21, 9423139), (33, 5996543), (77, 2569947), (231, 856649)]