128408049

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1459}}^1$

素因数の和:1610

約数の個数: 48

約数和(自身を含む): 233226240

約数和(自身を除く): 104818191

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 127, 231, 381, 693, 889, 1143, 1397, 1459, 2667, 4191, 4377, 8001, 9779, 10213, 12573, 13131, 16049, 29337, 30639, 48147, 88011, 91917, 112343, 144441, 185293, 337029, 555879, 1011087, 1297051, 1667637, 2038223, 3891153, 6114669, 11673459, 14267561, 18344007, 42802683, 128408049]

約数ペア:

[(1, 128408049), (3, 42802683), (7, 18344007), (9, 14267561), (11, 11673459), (21, 6114669), (33, 3891153), (63, 2038223), (77, 1667637), (99, 1297051), (127, 1011087), (231, 555879), (381, 337029), (693, 185293), (889, 144441), (1143, 112343), (1397, 91917), (1459, 88011), (2667, 48147), (4191, 30639), (4377, 29337), (8001, 16049), (9779, 13131), (10213, 12573)]