81047841

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{19997}}^1$

素因数の和:20200

約数の個数: 16

約数和(自身を含む): 124147584

約数和(自身を除く): 43099743

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 19997, 59991, 139979, 419937, 3859421, 11578263, 27015947, 81047841]

約数ペア:

[(1, 81047841), (3, 27015947), (7, 11578263), (21, 3859421), (193, 419937), (579, 139979), (1351, 59991), (4053, 19997)]