18968103

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 34624512

約数和(自身を除く): 15656409

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 101, 231, 271, 303, 693, 707, 813, 909, 1111, 1897, 2121, 2439, 2981, 3333, 5691, 6363, 7777, 8943, 9999, 17073, 20867, 23331, 26829, 27371, 62601, 69993, 82113, 187803, 191597, 246339, 301081, 574791, 903243, 1724373, 2107567, 2709729, 6322701, 18968103]

約数ペア:

[(1, 18968103), (3, 6322701), (7, 2709729), (9, 2107567), (11, 1724373), (21, 903243), (33, 574791), (63, 301081), (77, 246339), (99, 191597), (101, 187803), (231, 82113), (271, 69993), (303, 62601), (693, 27371), (707, 26829), (813, 23331), (909, 20867), (1111, 17073), (1897, 9999), (2121, 8943), (2439, 7777), (2981, 6363), (3333, 5691)]