17991182013

素因数分解:

$3^1\times 7^1\times {\mathrm{1979}}^1\times {\mathrm{432907}}^1$

素因数の和:434896

約数の個数: 16

約数和(自身を含む): 27429050880

約数和(自身を除く): 9437868867

約数列:

[1, 3, 7, 21, 1979, 5937, 13853, 41559, 432907, 1298721, 3030349, 9091047, 856722953, 2570168859, 5997060671, 17991182013]

約数ペア:

[(1, 17991182013), (3, 5997060671), (7, 2570168859), (21, 856722953), (1979, 9091047), (5937, 3030349), (13853, 1298721), (41559, 432907)]