81617179

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{26681}}^1$

素因数の和:26730

約数の個数: 16

約数和(自身を含む): 102458880

約数和(自身を除く): 20841701

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 26681, 186767, 506939, 613663, 3548573, 4295641, 11659597, 81617179]

約数ペア:

[(1, 81617179), (7, 11659597), (19, 4295641), (23, 3548573), (133, 613663), (161, 506939), (437, 186767), (3059, 26681)]