56391111

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1801}}^1$

素因数の和:1892

約数の個数: 36

約数和(自身を含む): 96140304

約数和(自身を除く): 39749193

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 1491, 1801, 3479, 4473, 5403, 10437, 12607, 16209, 31311, 37821, 88249, 113463, 127871, 264747, 383613, 794241, 895097, 1150839, 2685291, 6265679, 8055873, 18797037, 56391111]

約数ペア:

[(1, 56391111), (3, 18797037), (7, 8055873), (9, 6265679), (21, 2685291), (49, 1150839), (63, 895097), (71, 794241), (147, 383613), (213, 264747), (441, 127871), (497, 113463), (639, 88249), (1491, 37821), (1801, 31311), (3479, 16209), (4473, 12607), (5403, 10437)]