25976781

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{16879}}^1$

素因数の和:16910

約数の個数: 20

約数和(自身を含む): 40849600

約数和(自身を除く): 14872819

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 16879, 50637, 151911, 320701, 455733, 962103, 1367199, 2886309, 8658927, 25976781]

約数ペア:

[(1, 25976781), (3, 8658927), (9, 2886309), (19, 1367199), (27, 962103), (57, 455733), (81, 320701), (171, 151911), (513, 50637), (1539, 16879)]