85816673817

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{215079383}}^1$

素因数の和:215079412

約数の個数: 16

約数和(自身を含む): 137650805760

約数和(自身を除く): 51834131943

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 215079383, 645238149, 1505555681, 4086508277, 4516667043, 12259524831, 28605557939, 85816673817]

約数ペア:

[(1, 85816673817), (3, 28605557939), (7, 12259524831), (19, 4516667043), (21, 4086508277), (57, 1505555681), (133, 645238149), (399, 215079383)]