51481297

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1811}}^1$

素因数の和:1980

約数の個数: 16

約数和(自身を含む): 61231104

約数和(自身を除く): 9749807

約数列:

[1, 7, 31, 131, 217, 917, 1811, 4061, 12677, 28427, 56141, 237241, 392987, 1660687, 7354471, 51481297]

約数ペア:

[(1, 51481297), (7, 7354471), (31, 1660687), (131, 392987), (217, 237241), (917, 56141), (1811, 28427), (4061, 12677)]