2762991

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1$

素因数の和:473

約数の個数: 40

約数和(自身を含む): 5157504

約数和(自身を除く): 2394513

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 443, 567, 693, 891, 1329, 2079, 3101, 3987, 4873, 6237, 9303, 11961, 14619, 27909, 34111, 35883, 43857, 83727, 102333, 131571, 251181, 306999, 394713, 920997, 2762991]

約数ペア:

[(1, 2762991), (3, 920997), (7, 394713), (9, 306999), (11, 251181), (21, 131571), (27, 102333), (33, 83727), (63, 43857), (77, 35883), (81, 34111), (99, 27909), (189, 14619), (231, 11961), (297, 9303), (443, 6237), (567, 4873), (693, 3987), (891, 3101), (1329, 2079)]