81497871

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{659}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 146065920

約数和(自身を除く): 64568049

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 151, 273, 453, 659, 819, 1057, 1359, 1963, 1977, 3171, 4613, 5889, 5931, 8567, 9513, 13741, 13839, 17667, 25701, 41223, 41517, 59969, 77103, 99509, 123669, 179907, 298527, 539721, 696563, 895581, 1293617, 2089689, 3880851, 6269067, 9055319, 11642553, 27165957, 81497871]

約数ペア:

[(1, 81497871), (3, 27165957), (7, 11642553), (9, 9055319), (13, 6269067), (21, 3880851), (39, 2089689), (63, 1293617), (91, 895581), (117, 696563), (151, 539721), (273, 298527), (453, 179907), (659, 123669), (819, 99509), (1057, 77103), (1359, 59969), (1963, 41517), (1977, 41223), (3171, 25701), (4613, 17667), (5889, 13839), (5931, 13741), (8567, 9513)]