2817747

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:864

約数の個数: 20

約数和(自身を含む): 4312440

約数和(自身を除く): 1494693

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 809, 1161, 2427, 3483, 7281, 21843, 34787, 65529, 104361, 313083, 939249, 2817747]

約数ペア:

[(1, 2817747), (3, 939249), (9, 313083), (27, 104361), (43, 65529), (81, 34787), (129, 21843), (387, 7281), (809, 3483), (1161, 2427)]