131131

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:162

約数の個数: 16

約数和(自身を含む): 177408

約数和(自身を除く): 46277

約数列:

[1, 7, 11, 13, 77, 91, 131, 143, 917, 1001, 1441, 1703, 10087, 11921, 18733, 131131]

約数ペア:

[(1, 131131), (7, 18733), (11, 11921), (13, 10087), (77, 1703), (91, 1441), (131, 1001), (143, 917)]