25467507

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{53}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 42547680

約数和(自身を除く): 17080173

約数列:

[1, 3, 9, 13, 27, 37, 39, 53, 111, 117, 159, 333, 351, 477, 481, 689, 999, 1369, 1431, 1443, 1961, 2067, 4107, 4329, 5883, 6201, 12321, 12987, 17649, 17797, 18603, 25493, 36963, 52947, 53391, 72557, 76479, 160173, 217671, 229437, 480519, 653013, 688311, 943241, 1959039, 2829723, 8489169, 25467507]

約数ペア:

[(1, 25467507), (3, 8489169), (9, 2829723), (13, 1959039), (27, 943241), (37, 688311), (39, 653013), (53, 480519), (111, 229437), (117, 217671), (159, 160173), (333, 76479), (351, 72557), (477, 53391), (481, 52947), (689, 36963), (999, 25493), (1369, 18603), (1431, 17797), (1443, 17649), (1961, 12987), (2067, 12321), (4107, 6201), (4329, 5883)]