714285

素因数分解:

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

素因数の和:75

約数の個数: 64

約数和(自身を含む): 1532160

約数和(自身を除く): 817875

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 37, 39, 45, 55, 65, 99, 111, 117, 135, 143, 165, 185, 195, 297, 333, 351, 407, 429, 481, 495, 555, 585, 715, 999, 1221, 1287, 1443, 1485, 1665, 1755, 2035, 2145, 2405, 3663, 3861, 4329, 4995, 5291, 6105, 6435, 7215, 10989, 12987, 15873, 18315, 19305, 21645, 26455, 47619, 54945, 64935, 79365, 142857, 238095, 714285]

約数ペア:

[(1, 714285), (3, 238095), (5, 142857), (9, 79365), (11, 64935), (13, 54945), (15, 47619), (27, 26455), (33, 21645), (37, 19305), (39, 18315), (45, 15873), (55, 12987), (65, 10989), (99, 7215), (111, 6435), (117, 6105), (135, 5291), (143, 4995), (165, 4329), (185, 3861), (195, 3663), (297, 2405), (333, 2145), (351, 2035), (407, 1755), (429, 1665), (481, 1485), (495, 1443), (555, 1287), (585, 1221), (715, 999)]