128565645

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{38783}}^1$

素因数の和:38821

約数の個数: 32

約数和(自身を含む): 234565632

約数和(自身を除く): 105999987

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 38783, 116349, 193915, 504179, 581745, 659311, 1512537, 1977933, 2520895, 3296555, 7562685, 8571043, 9889665, 25713129, 42855215, 128565645]

約数ペア:

[(1, 128565645), (3, 42855215), (5, 25713129), (13, 9889665), (15, 8571043), (17, 7562685), (39, 3296555), (51, 2520895), (65, 1977933), (85, 1512537), (195, 659311), (221, 581745), (255, 504179), (663, 193915), (1105, 116349), (3315, 38783)]