18169281

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1871}}^1$

素因数の和:1973

約数の個数: 24

約数和(自身を含む): 28619136

約数和(自身を除く): 10449855

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 747, 1079, 1871, 3237, 5613, 9711, 16839, 24323, 72969, 155293, 218907, 465879, 1397637, 2018809, 6056427, 18169281]

約数ペア:

[(1, 18169281), (3, 6056427), (9, 2018809), (13, 1397637), (39, 465879), (83, 218907), (117, 155293), (249, 72969), (747, 24323), (1079, 16839), (1871, 9711), (3237, 5613)]