812943297

素因数分解:

$3^4\times {\mathrm{1987}}^1\times {\mathrm{5051}}^1$

素因数の和:7050

約数の個数: 20

約数和(自身を含む): 1215248496

約数和(自身を除く): 402305199

約数列:

[1, 3, 9, 27, 81, 1987, 5051, 5961, 15153, 17883, 45459, 53649, 136377, 160947, 409131, 10036337, 30109011, 90327033, 270981099, 812943297]

約数ペア:

[(1, 812943297), (3, 270981099), (9, 90327033), (27, 30109011), (81, 10036337), (1987, 409131), (5051, 160947), (5961, 136377), (15153, 53649), (17883, 45459)]