81109315

素因数分解:

$5^1\times 7^1\times {\mathrm{1171}}^1\times {\mathrm{1979}}^1$

素因数の和:3162

約数の個数: 16

約数和(自身を含む): 111386880

約数和(自身を除く): 30277565

約数列:

[1, 5, 7, 35, 1171, 1979, 5855, 8197, 9895, 13853, 40985, 69265, 2317409, 11587045, 16221863, 81109315]

約数ペア:

[(1, 81109315), (5, 16221863), (7, 11587045), (35, 2317409), (1171, 69265), (1979, 40985), (5855, 13853), (8197, 9895)]