15815513

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{4271}}^1$

素因数の和:4324

約数の個数: 12

約数和(自身を含む): 18899328

約数和(自身を除く): 3083815

約数列:

[1, 7, 23, 161, 529, 3703, 4271, 29897, 98233, 687631, 2259359, 15815513]

約数ペア:

[(1, 15815513), (7, 2259359), (23, 687631), (161, 98233), (529, 29897), (3703, 4271)]