127991521

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{25013}}^1$

素因数の和:25080

約数の個数: 16

約数和(自身を含む): 158488704

約数和(自身を除く): 30497183

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 25013, 175091, 425221, 1075559, 2976547, 7528913, 18284503, 127991521]

約数ペア:

[(1, 127991521), (7, 18284503), (17, 7528913), (43, 2976547), (119, 1075559), (301, 425221), (731, 175091), (5117, 25013)]