81243001

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1\times {\mathrm{401}}^1$

素因数の和:792

約数の個数: 16

約数和(自身を含む): 94318848

約数和(自身を除く): 13075847

約数列:

[1, 7, 103, 281, 401, 721, 1967, 2807, 28943, 41303, 112681, 202601, 289121, 788767, 11606143, 81243001]

約数ペア:

[(1, 81243001), (7, 11606143), (103, 788767), (281, 289121), (401, 202601), (721, 112681), (1967, 41303), (2807, 28943)]