86978913669

素因数分解:

$3^4\times {\mathrm{1861}}^1\times {\mathrm{577009}}^1$

素因数の和:578882

約数の個数: 20

約数和(自身を含む): 130001507020

約数和(自身を除く): 43022593351

約数列:

[1, 3, 9, 27, 81, 1861, 5583, 16749, 50247, 150741, 577009, 1731027, 5193081, 15579243, 46737729, 1073813749, 3221441247, 9664323741, 28992971223, 86978913669]

約数ペア:

[(1, 86978913669), (3, 28992971223), (9, 9664323741), (27, 3221441247), (81, 1073813749), (1861, 46737729), (5583, 15579243), (16749, 5193081), (50247, 1731027), (150741, 577009)]