4106781

素因数分解:

$3^4\times 7^1\times {\mathrm{7243}}^1$

素因数の和:7262

約数の個数: 20

約数和(自身を含む): 7012192

約数和(自身を除く): 2905411

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 7243, 21729, 50701, 65187, 152103, 195561, 456309, 586683, 1368927, 4106781]

約数ペア:

[(1, 4106781), (3, 1368927), (7, 586683), (9, 456309), (21, 195561), (27, 152103), (63, 65187), (81, 50701), (189, 21729), (567, 7243)]