278131689

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{2633}}^1$

素因数の和:2758

約数の個数: 36

約数和(自身を含む): 446310228

約数和(自身を除く): 168178539

約数列:

[1, 3, 9, 11, 33, 97, 99, 121, 291, 363, 873, 1067, 1089, 2633, 3201, 7899, 9603, 11737, 23697, 28963, 35211, 86889, 105633, 255401, 260667, 318593, 766203, 955779, 2298609, 2809411, 2867337, 8428233, 25284699, 30903521, 92710563, 278131689]

約数ペア:

[(1, 278131689), (3, 92710563), (9, 30903521), (11, 25284699), (33, 8428233), (97, 2867337), (99, 2809411), (121, 2298609), (291, 955779), (363, 766203), (873, 318593), (1067, 260667), (1089, 255401), (2633, 105633), (3201, 86889), (7899, 35211), (9603, 28963), (11737, 23697)]