81282509

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{1597}}^1$

素因数の和:2276

約数の個数: 16

約数和(自身を含む): 101556096

約数和(自身を除く): 20273587

約数列:

[1, 7, 11, 77, 661, 1597, 4627, 7271, 11179, 17567, 50897, 122969, 1055617, 7389319, 11611787, 81282509]

約数ペア:

[(1, 81282509), (7, 11611787), (11, 7389319), (77, 1055617), (661, 122969), (1597, 50897), (4627, 17567), (7271, 11179)]