81344319

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{29569}}^1$

素因数の和:29710

約数の個数: 16

約数和(自身を含む): 124903680

約数和(自身を除く): 43559361

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 29569, 88707, 206983, 620949, 3873539, 11620617, 27114773, 81344319]

約数ペア:

[(1, 81344319), (3, 27114773), (7, 11620617), (21, 3873539), (131, 620949), (393, 206983), (917, 88707), (2751, 29569)]