291208203

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:878

約数の個数: 80

約数和(自身を含む): 528202752

約数和(自身を除く): 236994549

約数列:

[1, 3, 9, 11, 13, 27, 31, 33, 39, 81, 93, 99, 117, 143, 279, 297, 341, 351, 403, 429, 811, 837, 891, 1023, 1053, 1209, 1287, 2433, 2511, 3069, 3627, 3861, 4433, 7299, 8921, 9207, 10543, 10881, 11583, 13299, 21897, 25141, 26763, 27621, 31629, 32643, 39897, 65691, 75423, 80289, 94887, 115973, 119691, 226269, 240867, 276551, 284661, 326833, 347919, 359073, 678807, 722601, 829653, 853983, 980499, 1043757, 2036421, 2488959, 2941497, 3131271, 3595163, 7466877, 8824491, 9393813, 10785489, 22400631, 26473473, 32356467, 97069401, 291208203]

約数ペア:

[(1, 291208203), (3, 97069401), (9, 32356467), (11, 26473473), (13, 22400631), (27, 10785489), (31, 9393813), (33, 8824491), (39, 7466877), (81, 3595163), (93, 3131271), (99, 2941497), (117, 2488959), (143, 2036421), (279, 1043757), (297, 980499), (341, 853983), (351, 829653), (403, 722601), (429, 678807), (811, 359073), (837, 347919), (891, 326833), (1023, 284661), (1053, 276551), (1209, 240867), (1287, 226269), (2433, 119691), (2511, 115973), (3069, 94887), (3627, 80289), (3861, 75423), (4433, 65691), (7299, 39897), (8921, 32643), (9207, 31629), (10543, 27621), (10881, 26763), (11583, 25141), (13299, 21897)]