18680455857

素因数分解:

$3^1\times 7^2\times {\mathrm{1361}}^1\times {\mathrm{93371}}^1$

素因数の和:94749

約数の個数: 24

約数和(自身を含む): 28995367392

約数和(自身を除く): 10314911535

約数列:

[1, 3, 7, 21, 49, 147, 1361, 4083, 9527, 28581, 66689, 93371, 200067, 280113, 653597, 1960791, 4575179, 13725537, 127077931, 381233793, 889545517, 2668636551, 6226818619, 18680455857]

約数ペア:

[(1, 18680455857), (3, 6226818619), (7, 2668636551), (21, 889545517), (49, 381233793), (147, 127077931), (1361, 13725537), (4083, 4575179), (9527, 1960791), (28581, 653597), (66689, 280113), (93371, 200067)]