27820863

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3371}}^1$

素因数の和:3515

約数の個数: 24

約数和(自身を含む): 46290816

約数和(自身を除く): 18469953

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2751, 3371, 8253, 10113, 23597, 30339, 70791, 212373, 441601, 1324803, 3091207, 3974409, 9273621, 27820863]

約数ペア:

[(1, 27820863), (3, 9273621), (7, 3974409), (9, 3091207), (21, 1324803), (63, 441601), (131, 212373), (393, 70791), (917, 30339), (1179, 23597), (2751, 10113), (3371, 8253)]