210777721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{30757}}^1$

素因数の和:30864

約数の個数: 16

約数和(自身を含む): 265749120

約数和(自身を除く): 54971399

約数列:

[1, 7, 11, 77, 89, 623, 979, 6853, 30757, 215299, 338327, 2368289, 2737373, 19161611, 30111103, 210777721]

約数ペア:

[(1, 210777721), (7, 30111103), (11, 19161611), (77, 2737373), (89, 2368289), (623, 338327), (979, 215299), (6853, 30757)]