90720007

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{2713}}^1$

素因数の和:3018

約数の個数: 16

約数和(自身を含む): 110210112

約数和(自身を除く): 19490105

約数列:

[1, 7, 17, 119, 281, 1967, 2713, 4777, 18991, 33439, 46121, 322847, 762353, 5336471, 12960001, 90720007]

約数ペア:

[(1, 90720007), (7, 12960001), (17, 5336471), (119, 762353), (281, 322847), (1967, 46121), (2713, 33439), (4777, 18991)]