1749554721

素因数分解:

$3^4\times {\mathrm{2347}}^1\times {\mathrm{9203}}^1$

素因数の和:11562

約数の個数: 20

約数和(自身を含む): 2614930032

約数和(自身を除く): 865375311

約数列:

[1, 3, 9, 27, 81, 2347, 7041, 9203, 21123, 27609, 63369, 82827, 190107, 248481, 745443, 21599441, 64798323, 194394969, 583184907, 1749554721]

約数ペア:

[(1, 1749554721), (3, 583184907), (9, 194394969), (27, 64798323), (81, 21599441), (2347, 745443), (7041, 248481), (9203, 190107), (21123, 82827), (27609, 63369)]