78951555

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{863}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 145566720

約数和(自身を除く): 66615165

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 107, 171, 285, 321, 535, 855, 863, 963, 1605, 2033, 2589, 4315, 4815, 6099, 7767, 10165, 12945, 16397, 18297, 30495, 38835, 49191, 81985, 91485, 92341, 147573, 245955, 277023, 461705, 737865, 831069, 1385115, 1754479, 4155345, 5263437, 8772395, 15790311, 26317185, 78951555]

約数ペア:

[(1, 78951555), (3, 26317185), (5, 15790311), (9, 8772395), (15, 5263437), (19, 4155345), (45, 1754479), (57, 1385115), (95, 831069), (107, 737865), (171, 461705), (285, 277023), (321, 245955), (535, 147573), (855, 92341), (863, 91485), (963, 81985), (1605, 49191), (2033, 38835), (2589, 30495), (4315, 18297), (4815, 16397), (6099, 12945), (7767, 10165)]