2988405

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 6065280

約数和(自身を除く): 3076875

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 53, 63, 105, 159, 179, 265, 315, 371, 477, 537, 795, 895, 1113, 1253, 1611, 1855, 2385, 2685, 3339, 3759, 5565, 6265, 8055, 9487, 11277, 16695, 18795, 28461, 47435, 56385, 66409, 85383, 142305, 199227, 332045, 426915, 597681, 996135, 2988405]

約数ペア:

[(1, 2988405), (3, 996135), (5, 597681), (7, 426915), (9, 332045), (15, 199227), (21, 142305), (35, 85383), (45, 66409), (53, 56385), (63, 47435), (105, 28461), (159, 18795), (179, 16695), (265, 11277), (315, 9487), (371, 8055), (477, 6265), (537, 5565), (795, 3759), (895, 3339), (1113, 2685), (1253, 2385), (1611, 1855)]