138725517

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{49669}}^1$

素因数の和:49705

約数の個数: 24

約数和(自身を含む): 226495200

約数和(自身を除く): 87769683

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 49669, 149007, 347683, 943711, 1043049, 2433781, 2831133, 6605977, 7301343, 19817931, 46241839, 138725517]

約数ペア:

[(1, 138725517), (3, 46241839), (7, 19817931), (19, 7301343), (21, 6605977), (49, 2831133), (57, 2433781), (133, 1043049), (147, 943711), (399, 347683), (931, 149007), (2793, 49669)]