128081121

素因数分解:

$3^1\times 7^1\times {\mathrm{1223}}^1\times {\mathrm{4987}}^1$

素因数の和:6220

約数の個数: 16

約数和(自身を含む): 195369984

約数和(自身を除く): 67288863

約数列:

[1, 3, 7, 21, 1223, 3669, 4987, 8561, 14961, 25683, 34909, 104727, 6099101, 18297303, 42693707, 128081121]

約数ペア:

[(1, 128081121), (3, 42693707), (7, 18297303), (21, 6099101), (1223, 104727), (3669, 34909), (4987, 25683), (8561, 14961)]