1388731905

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{2111}}^1$

素因数の和:2579

約数の個数: 64

約数和(自身を含む): 2700656640

約数和(自身を除く): 1311924735

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 443, 495, 1329, 1485, 2111, 2215, 3987, 4873, 6333, 6645, 10555, 11961, 14619, 18999, 19935, 23221, 24365, 31665, 43857, 56997, 59805, 69663, 73095, 94995, 116105, 131571, 208989, 219285, 284985, 348315, 626967, 657855, 935173, 1044945, 2805519, 3134835, 4675865, 8416557, 10286903, 14027595, 25249671, 30860709, 42082785, 51434515, 92582127, 126248355, 154303545, 277746381, 462910635, 1388731905]

約数ペア:

[(1, 1388731905), (3, 462910635), (5, 277746381), (9, 154303545), (11, 126248355), (15, 92582127), (27, 51434515), (33, 42082785), (45, 30860709), (55, 25249671), (99, 14027595), (135, 10286903), (165, 8416557), (297, 4675865), (443, 3134835), (495, 2805519), (1329, 1044945), (1485, 935173), (2111, 657855), (2215, 626967), (3987, 348315), (4873, 284985), (6333, 219285), (6645, 208989), (10555, 131571), (11961, 116105), (14619, 94995), (18999, 73095), (19935, 69663), (23221, 59805), (24365, 56997), (31665, 43857)]