26999973

素因数分解:

$3^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 112

約数和(自身を含む): 55821696

約数和(自身を除く): 28821723

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 37, 39, 63, 77, 81, 91, 99, 111, 117, 143, 189, 231, 243, 259, 273, 297, 333, 351, 407, 429, 481, 567, 693, 729, 777, 819, 891, 999, 1001, 1053, 1221, 1287, 1443, 1701, 2079, 2331, 2457, 2673, 2849, 2997, 3003, 3159, 3367, 3663, 3861, 4329, 5103, 5291, 6237, 6993, 7371, 8019, 8547, 8991, 9009, 9477, 10101, 10989, 11583, 12987, 15873, 18711, 20979, 22113, 25641, 26973, 27027, 30303, 32967, 34749, 37037, 38961, 47619, 56133, 62937, 66339, 76923, 81081, 90909, 98901, 104247, 111111, 116883, 142857, 188811, 230769, 243243, 272727, 296703, 333333, 350649, 428571, 692307, 729729, 818181, 999999, 1285713, 2076921, 2454543, 2999997, 3857139, 8999991, 26999973]

約数ペア:

[(1, 26999973), (3, 8999991), (7, 3857139), (9, 2999997), (11, 2454543), (13, 2076921), (21, 1285713), (27, 999999), (33, 818181), (37, 729729), (39, 692307), (63, 428571), (77, 350649), (81, 333333), (91, 296703), (99, 272727), (111, 243243), (117, 230769), (143, 188811), (189, 142857), (231, 116883), (243, 111111), (259, 104247), (273, 98901), (297, 90909), (333, 81081), (351, 76923), (407, 66339), (429, 62937), (481, 56133), (567, 47619), (693, 38961), (729, 37037), (777, 34749), (819, 32967), (891, 30303), (999, 27027), (1001, 26973), (1053, 25641), (1221, 22113), (1287, 20979), (1443, 18711), (1701, 15873), (2079, 12987), (2331, 11583), (2457, 10989), (2673, 10101), (2849, 9477), (2997, 9009), (3003, 8991), (3159, 8547), (3367, 8019), (3663, 7371), (3861, 6993), (4329, 6237), (5103, 5291)]