12783021

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1009}}^1$

素因数の和:1156

約数の個数: 16

約数和(自身を含む): 17646720

約数和(自身を除く): 4863699

約数列:

[1, 3, 41, 103, 123, 309, 1009, 3027, 4223, 12669, 41369, 103927, 124107, 311781, 4261007, 12783021]

約数ペア:

[(1, 12783021), (3, 4261007), (41, 311781), (103, 124107), (123, 103927), (309, 41369), (1009, 12669), (3027, 4223)]