20182491

素因数分解:

$3^2\times 7^1\times {\mathrm{457}}^1\times {\mathrm{701}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 33437664

約数和(自身を除く): 13255173

約数列:

[1, 3, 7, 9, 21, 63, 457, 701, 1371, 2103, 3199, 4113, 4907, 6309, 9597, 14721, 28791, 44163, 320357, 961071, 2242499, 2883213, 6727497, 20182491]

約数ペア:

[(1, 20182491), (3, 6727497), (7, 2883213), (9, 2242499), (21, 961071), (63, 320357), (457, 44163), (701, 28791), (1371, 14721), (2103, 9597), (3199, 6309), (4113, 4907)]