18178293

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 29094912

約数和(自身を除く): 10916619

約数列:

[1, 3, 7, 21, 41, 43, 123, 129, 287, 301, 491, 861, 903, 1473, 1763, 3437, 5289, 10311, 12341, 20131, 21113, 37023, 60393, 63339, 140917, 147791, 422751, 443373, 865633, 2596899, 6059431, 18178293]

約数ペア:

[(1, 18178293), (3, 6059431), (7, 2596899), (21, 865633), (41, 443373), (43, 422751), (123, 147791), (129, 140917), (287, 63339), (301, 60393), (491, 37023), (861, 21113), (903, 20131), (1473, 12341), (1763, 10311), (3437, 5289)]