31193722227

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1\times {\mathrm{2447}}^1$

素因数の和:2943

約数の個数: 32

約数和(自身を含む): 42395443200

約数和(自身を除く): 11201720973

約数列:

[1, 3, 131, 163, 199, 393, 489, 597, 2447, 7341, 21353, 26069, 32437, 64059, 78207, 97311, 320557, 398861, 486953, 961671, 1196583, 1460859, 4249247, 12747741, 52250791, 63790843, 79373339, 156752373, 191372529, 238120017, 10397907409, 31193722227]

約数ペア:

[(1, 31193722227), (3, 10397907409), (131, 238120017), (163, 191372529), (199, 156752373), (393, 79373339), (489, 63790843), (597, 52250791), (2447, 12747741), (7341, 4249247), (21353, 1460859), (26069, 1196583), (32437, 961671), (64059, 486953), (78207, 398861), (97311, 320557)]