27780123

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 44154880

約数和(自身を除く): 16374757

約数列:

[1, 3, 7, 21, 31, 93, 139, 217, 307, 417, 651, 921, 973, 2149, 2919, 4309, 6447, 9517, 12927, 28551, 30163, 42673, 66619, 90489, 128019, 199857, 298711, 896133, 1322863, 3968589, 9260041, 27780123]

約数ペア:

[(1, 27780123), (3, 9260041), (7, 3968589), (21, 1322863), (31, 896133), (93, 298711), (139, 199857), (217, 128019), (307, 90489), (417, 66619), (651, 42673), (921, 30163), (973, 28551), (2149, 12927), (2919, 9517), (4309, 6447)]