384615

素因数分解:

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

素因数の和:69

約数の個数: 64

約数和(自身を含む): 875520

約数和(自身を除く): 490905

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 37, 45, 55, 63, 77, 99, 105, 111, 135, 165, 185, 189, 231, 259, 297, 315, 333, 385, 407, 495, 555, 693, 777, 945, 999, 1155, 1221, 1295, 1485, 1665, 2035, 2079, 2331, 2849, 3465, 3663, 3885, 4995, 6105, 6993, 8547, 10395, 10989, 11655, 14245, 18315, 25641, 34965, 42735, 54945, 76923, 128205, 384615]

約数ペア:

[(1, 384615), (3, 128205), (5, 76923), (7, 54945), (9, 42735), (11, 34965), (15, 25641), (21, 18315), (27, 14245), (33, 11655), (35, 10989), (37, 10395), (45, 8547), (55, 6993), (63, 6105), (77, 4995), (99, 3885), (105, 3663), (111, 3465), (135, 2849), (165, 2331), (185, 2079), (189, 2035), (231, 1665), (259, 1485), (297, 1295), (315, 1221), (333, 1155), (385, 999), (407, 945), (495, 777), (555, 693)]