788319

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:156

約数の個数: 32

約数和(自身を含む): 1379840

約数和(自身を除く): 591521

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 97, 129, 189, 291, 301, 387, 679, 873, 903, 1161, 2037, 2619, 2709, 4171, 6111, 8127, 12513, 18333, 29197, 37539, 87591, 112617, 262773, 788319]

約数ペア:

[(1, 788319), (3, 262773), (7, 112617), (9, 87591), (21, 37539), (27, 29197), (43, 18333), (63, 12513), (97, 8127), (129, 6111), (189, 4171), (291, 2709), (301, 2619), (387, 2037), (679, 1161), (873, 903)]