4999995

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:82

約数の個数: 128

約数和(自身を含む): 12257280

約数和(自身を除く): 7257285

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 21, 27, 33, 35, 37, 39, 45, 55, 63, 65, 77, 91, 99, 105, 111, 117, 135, 143, 165, 185, 189, 195, 231, 259, 273, 297, 315, 333, 351, 385, 407, 429, 455, 481, 495, 555, 585, 693, 715, 777, 819, 945, 999, 1001, 1155, 1221, 1287, 1295, 1365, 1443, 1485, 1665, 1755, 2035, 2079, 2145, 2331, 2405, 2457, 2849, 3003, 3367, 3465, 3663, 3861, 3885, 4095, 4329, 4995, 5005, 5291, 6105, 6435, 6993, 7215, 8547, 9009, 10101, 10395, 10989, 11655, 12285, 12987, 14245, 15015, 15873, 16835, 18315, 19305, 21645, 25641, 26455, 27027, 30303, 34965, 37037, 42735, 45045, 47619, 50505, 54945, 64935, 76923, 79365, 90909, 111111, 128205, 135135, 142857, 151515, 185185, 238095, 333333, 384615, 454545, 555555, 714285, 999999, 1666665, 4999995]

約数ペア:

[(1, 4999995), (3, 1666665), (5, 999999), (7, 714285), (9, 555555), (11, 454545), (13, 384615), (15, 333333), (21, 238095), (27, 185185), (33, 151515), (35, 142857), (37, 135135), (39, 128205), (45, 111111), (55, 90909), (63, 79365), (65, 76923), (77, 64935), (91, 54945), (99, 50505), (105, 47619), (111, 45045), (117, 42735), (135, 37037), (143, 34965), (165, 30303), (185, 27027), (189, 26455), (195, 25641), (231, 21645), (259, 19305), (273, 18315), (297, 16835), (315, 15873), (333, 15015), (351, 14245), (385, 12987), (407, 12285), (429, 11655), (455, 10989), (481, 10395), (495, 10101), (555, 9009), (585, 8547), (693, 7215), (715, 6993), (777, 6435), (819, 6105), (945, 5291), (999, 5005), (1001, 4995), (1155, 4329), (1221, 4095), (1287, 3885), (1295, 3861), (1365, 3663), (1443, 3465), (1485, 3367), (1665, 3003), (1755, 2849), (2035, 2457), (2079, 2405), (2145, 2331)]