855851805

素因数分解:

$3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1\times {\mathrm{331}}^1$

素因数の和:631

約数の個数: 64

約数和(自身を含む): 1548979200

約数和(自身を除く): 693127395

約数列:

[1, 3, 5, 9, 15, 27, 45, 107, 135, 179, 321, 331, 535, 537, 895, 963, 993, 1605, 1611, 1655, 2685, 2889, 2979, 4815, 4833, 4965, 8055, 8937, 14445, 14895, 19153, 24165, 35417, 44685, 57459, 59249, 95765, 106251, 172377, 177085, 177747, 287295, 296245, 318753, 517131, 531255, 533241, 861885, 888735, 956259, 1593765, 1599723, 2585655, 2666205, 4781295, 6339643, 7998615, 19018929, 31698215, 57056787, 95094645, 171170361, 285283935, 855851805]

約数ペア:

[(1, 855851805), (3, 285283935), (5, 171170361), (9, 95094645), (15, 57056787), (27, 31698215), (45, 19018929), (107, 7998615), (135, 6339643), (179, 4781295), (321, 2666205), (331, 2585655), (535, 1599723), (537, 1593765), (895, 956259), (963, 888735), (993, 861885), (1605, 533241), (1611, 531255), (1655, 517131), (2685, 318753), (2889, 296245), (2979, 287295), (4815, 177747), (4833, 177085), (4965, 172377), (8055, 106251), (8937, 95765), (14445, 59249), (14895, 57459), (19153, 44685), (24165, 35417)]