28626345

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:583

約数の個数: 64

約数和(自身を含む): 57127680

約数和(自身を除く): 28501335

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 37, 45, 55, 99, 111, 135, 165, 185, 297, 333, 407, 495, 521, 555, 999, 1221, 1485, 1563, 1665, 2035, 2605, 3663, 4689, 4995, 5731, 6105, 7815, 10989, 14067, 17193, 18315, 19277, 23445, 28655, 51579, 54945, 57831, 70335, 85965, 96385, 154737, 173493, 212047, 257895, 289155, 520479, 636141, 773685, 867465, 1060235, 1908423, 2602395, 3180705, 5725269, 9542115, 28626345]

約数ペア:

[(1, 28626345), (3, 9542115), (5, 5725269), (9, 3180705), (11, 2602395), (15, 1908423), (27, 1060235), (33, 867465), (37, 773685), (45, 636141), (55, 520479), (99, 289155), (111, 257895), (135, 212047), (165, 173493), (185, 154737), (297, 96385), (333, 85965), (407, 70335), (495, 57831), (521, 54945), (555, 51579), (999, 28655), (1221, 23445), (1485, 19277), (1563, 18315), (1665, 17193), (2035, 14067), (2605, 10989), (3663, 7815), (4689, 6105), (4995, 5731)]