2076921

素因数分解:

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

素因数の和:73

約数の個数: 56

約数和(自身を含む): 3987264

約数和(自身を除く): 1910343

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 37, 63, 77, 81, 99, 111, 189, 231, 243, 259, 297, 333, 407, 567, 693, 729, 777, 891, 999, 1221, 1701, 2079, 2331, 2673, 2849, 2997, 3663, 5103, 6237, 6993, 8019, 8547, 8991, 10989, 18711, 20979, 25641, 26973, 32967, 56133, 62937, 76923, 98901, 188811, 230769, 296703, 692307, 2076921]

約数ペア:

[(1, 2076921), (3, 692307), (7, 296703), (9, 230769), (11, 188811), (21, 98901), (27, 76923), (33, 62937), (37, 56133), (63, 32967), (77, 26973), (81, 25641), (99, 20979), (111, 18711), (189, 10989), (231, 8991), (243, 8547), (259, 8019), (297, 6993), (333, 6237), (407, 5103), (567, 3663), (693, 2997), (729, 2849), (777, 2673), (891, 2331), (999, 2079), (1221, 1701)]