121666391

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{25903}}^1$

素因数の和:25982

約数の個数: 16

約数和(自身を含む): 154180608

約数和(自身を除く): 32514217

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 25903, 181321, 284933, 1580083, 1994531, 11060581, 17380913, 121666391]

約数ペア:

[(1, 121666391), (7, 17380913), (11, 11060581), (61, 1994531), (77, 1580083), (427, 284933), (671, 181321), (4697, 25903)]