128743419

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{142573}}^1$

素因数の和:142626

約数の個数: 16

約数和(自身を含む): 200744192

約数和(自身を除く): 72000773

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 142573, 427719, 998011, 2994033, 6130639, 18391917, 42914473, 128743419]

約数ペア:

[(1, 128743419), (3, 42914473), (7, 18391917), (21, 6130639), (43, 2994033), (129, 998011), (301, 427719), (903, 142573)]