131419981

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 168099840

約数和(自身を除く): 36679859

約数列:

[1, 7, 11, 77, 89, 127, 151, 623, 889, 979, 1057, 1397, 1661, 6853, 9779, 11303, 11627, 13439, 19177, 79121, 94073, 124333, 134239, 147829, 210947, 870331, 1034803, 1476629, 1706753, 11947271, 18774283, 131419981]

約数ペア:

[(1, 131419981), (7, 18774283), (11, 11947271), (77, 1706753), (89, 1476629), (127, 1034803), (151, 870331), (623, 210947), (889, 147829), (979, 134239), (1057, 124333), (1397, 94073), (1661, 79121), (6853, 19177), (9779, 13439), (11303, 11627)]