138538131

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{881}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 201180672

約数和(自身を除く): 62642541

約数列:

[1, 3, 23, 43, 53, 69, 129, 159, 881, 989, 1219, 2279, 2643, 2967, 3657, 6837, 20263, 37883, 46693, 52417, 60789, 113649, 140079, 157251, 871309, 1073939, 2007799, 2613927, 3221817, 6023397, 46179377, 138538131]

約数ペア:

[(1, 138538131), (3, 46179377), (23, 6023397), (43, 3221817), (53, 2613927), (69, 2007799), (129, 1073939), (159, 871309), (881, 157251), (989, 140079), (1219, 113649), (2279, 60789), (2643, 52417), (2967, 46693), (3657, 37883), (6837, 20263)]