81623706

素因数分解:

$2^1\times 3^1\times {\mathrm{643}}^1\times {\mathrm{21157}}^1$

素因数の和:21805

約数の個数: 16

約数和(自身を含む): 163509024

約数和(自身を除く): 81885318

約数列:

[1, 2, 3, 6, 643, 1286, 1929, 3858, 21157, 42314, 63471, 126942, 13603951, 27207902, 40811853, 81623706]

約数ペア:

[(1, 81623706), (2, 40811853), (3, 27207902), (6, 13603951), (643, 126942), (1286, 63471), (1929, 42314), (3858, 21157)]