438163911

素因数分解:

$3^4\times {\mathrm{271}}^1\times {\mathrm{19961}}^1$

素因数の和:20244

約数の個数: 20

約数和(自身を含む): 656989344

約数和(自身を除く): 218825433

約数列:

[1, 3, 9, 27, 81, 271, 813, 2439, 7317, 19961, 21951, 59883, 179649, 538947, 1616841, 5409431, 16228293, 48684879, 146054637, 438163911]

約数ペア:

[(1, 438163911), (3, 146054637), (9, 48684879), (27, 16228293), (81, 5409431), (271, 1616841), (813, 538947), (2439, 179649), (7317, 59883), (19961, 21951)]