81209527

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29671}}^1$

素因数の和:29718

約数の個数: 16

約数和(自身を含む): 102546432

約数和(自身を除く): 21336905

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 29671, 207697, 504407, 682433, 3530849, 4777031, 11601361, 81209527]

約数ペア:

[(1, 81209527), (7, 11601361), (17, 4777031), (23, 3530849), (119, 682433), (161, 504407), (391, 207697), (2737, 29671)]