207785919

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 327882240

約数和(自身を除く): 120096321

約数列:

[1, 3, 11, 19, 33, 47, 57, 121, 141, 209, 363, 517, 627, 641, 893, 1551, 1923, 2299, 2679, 5687, 6897, 7051, 9823, 12179, 17061, 21153, 29469, 30127, 36537, 77561, 90381, 108053, 133969, 232683, 324159, 331397, 401907, 572413, 994191, 1473659, 1717239, 3645367, 4420977, 6296543, 10936101, 18889629, 69261973, 207785919]

約数ペア:

[(1, 207785919), (3, 69261973), (11, 18889629), (19, 10936101), (33, 6296543), (47, 4420977), (57, 3645367), (121, 1717239), (141, 1473659), (209, 994191), (363, 572413), (517, 401907), (627, 331397), (641, 324159), (893, 232683), (1551, 133969), (1923, 108053), (2299, 90381), (2679, 77561), (5687, 36537), (6897, 30127), (7051, 29469), (9823, 21153), (12179, 17061)]