81085767

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227131}}^1$

素因数の和:227158

約数の個数: 16

約数和(自身を含む): 130828032

約数和(自身を除く): 49742265

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 227131, 681393, 1589917, 3861227, 4769751, 11583681, 27028589, 81085767]

約数ペア:

[(1, 81085767), (3, 27028589), (7, 11583681), (17, 4769751), (21, 3861227), (51, 1589917), (119, 681393), (357, 227131)]