81036207

素因数分解:

$3^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1091}}^1$

素因数の和:1241

約数の個数: 40

約数和(自身を含む): 139531392

約数和(自身を除く): 58495185

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 131, 189, 393, 567, 917, 1091, 1179, 2751, 3273, 3537, 7637, 8253, 9819, 10611, 22911, 24759, 29457, 68733, 74277, 88371, 142921, 206199, 428763, 618597, 1000447, 1286289, 3001341, 3858867, 9004023, 11576601, 27012069, 81036207]

約数ペア:

[(1, 81036207), (3, 27012069), (7, 11576601), (9, 9004023), (21, 3858867), (27, 3001341), (63, 1286289), (81, 1000447), (131, 618597), (189, 428763), (393, 206199), (567, 142921), (917, 88371), (1091, 74277), (1179, 68733), (2751, 29457), (3273, 24759), (3537, 22911), (7637, 10611), (8253, 9819)]