131120781

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1229}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 197665920

約数和(自身を除く): 66545139

約数列:

[1, 3, 11, 33, 53, 61, 159, 183, 583, 671, 1229, 1749, 2013, 3233, 3687, 9699, 13519, 35563, 40557, 65137, 74969, 106689, 195411, 224907, 716507, 824659, 2149521, 2473977, 3973357, 11920071, 43706927, 131120781]

約数ペア:

[(1, 131120781), (3, 43706927), (11, 11920071), (33, 3973357), (53, 2473977), (61, 2149521), (159, 824659), (183, 716507), (583, 224907), (671, 195411), (1229, 106689), (1749, 74969), (2013, 65137), (3233, 40557), (3687, 35563), (9699, 13519)]