39996261

素因数分解:

$3^4\times {\mathrm{347}}^1\times {\mathrm{1423}}^1$

素因数の和:1782

約数の個数: 20

約数和(自身を含む): 59961792

約数和(自身を除く): 19965531

約数列:

[1, 3, 9, 27, 81, 347, 1041, 1423, 3123, 4269, 9369, 12807, 28107, 38421, 115263, 493781, 1481343, 4444029, 13332087, 39996261]

約数ペア:

[(1, 39996261), (3, 13332087), (9, 4444029), (27, 1481343), (81, 493781), (347, 115263), (1041, 38421), (1423, 28107), (3123, 12807), (4269, 9369)]