139571887

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1087}}^1$

素因数の和:1207

約数の個数: 32

約数和(自身を含む): 184246272

約数和(自身を除く): 44674385

約数列:

[1, 7, 13, 17, 83, 91, 119, 221, 581, 1079, 1087, 1411, 1547, 7553, 7609, 9877, 14131, 18343, 18479, 90221, 98917, 128401, 129353, 240227, 631547, 1172873, 1533757, 1681589, 8210111, 10736299, 19938841, 139571887]

約数ペア:

[(1, 139571887), (7, 19938841), (13, 10736299), (17, 8210111), (83, 1681589), (91, 1533757), (119, 1172873), (221, 631547), (581, 240227), (1079, 129353), (1087, 128401), (1411, 98917), (1547, 90221), (7553, 18479), (7609, 18343), (9877, 14131)]