870857841

素因数分解:

$3^1\times 7^2\times {\mathrm{5924203}}^1$

素因数の和:5924220

約数の個数: 12

約数和(自身を含む): 1350718512

約数和(自身を除く): 479860671

約数列:

[1, 3, 7, 21, 49, 147, 5924203, 17772609, 41469421, 124408263, 290285947, 870857841]

約数ペア:

[(1, 870857841), (3, 290285947), (7, 124408263), (21, 41469421), (49, 17772609), (147, 5924203)]