81290153

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{3709}}^1$

素因数の和:3848

約数の個数: 16

約数和(自身を含む): 96875520

約数和(自身を除く): 15585367

約数列:

[1, 7, 31, 101, 217, 707, 3131, 3709, 21917, 25963, 114979, 374609, 804853, 2622263, 11612879, 81290153]

約数ペア:

[(1, 81290153), (7, 11612879), (31, 2622263), (101, 804853), (217, 374609), (707, 114979), (3131, 25963), (3709, 21917)]