540113

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:188

約数の個数: 16

約数和(自身を含む): 675840

約数和(自身を除く): 135727

約数列:

[1, 7, 19, 31, 131, 133, 217, 589, 917, 2489, 4061, 4123, 17423, 28427, 77159, 540113]

約数ペア:

[(1, 540113), (7, 77159), (19, 28427), (31, 17423), (131, 4123), (133, 4061), (217, 2489), (589, 917)]