128571004821

素因数分解:

$3^1\times 7^1\times {\mathrm{3203}}^1\times {\mathrm{1911467}}^1$

素因数の和:1914680

約数の個数: 16

約数和(自身を含む): 195978991104

約数和(自身を除く): 67407986283

約数列:

[1, 3, 7, 21, 3203, 9609, 22421, 67263, 1911467, 5734401, 13380269, 40140807, 6122428801, 18367286403, 42857001607, 128571004821]

約数ペア:

[(1, 128571004821), (3, 42857001607), (7, 18367286403), (21, 6122428801), (3203, 40140807), (9609, 13380269), (22421, 5734401), (67263, 1911467)]