87121111

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 112066560

約数和(自身を除く): 24945449

約数列:

[1, 7, 11, 59, 77, 127, 151, 413, 649, 889, 1057, 1397, 1661, 4543, 7493, 8909, 9779, 11627, 19177, 52451, 62363, 82423, 97999, 134239, 210947, 576961, 685993, 1131443, 1476629, 7920101, 12445873, 87121111]

約数ペア:

[(1, 87121111), (7, 12445873), (11, 7920101), (59, 1476629), (77, 1131443), (127, 685993), (151, 576961), (413, 210947), (649, 134239), (889, 97999), (1057, 82423), (1397, 62363), (1661, 52451), (4543, 19177), (7493, 11627), (8909, 9779)]