1388972457

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 2098317312

約数和(自身を除く): 709344855

約数列:

[1, 3, 9, 41, 107, 123, 127, 277, 321, 369, 381, 831, 963, 1143, 2493, 4387, 5207, 11357, 13161, 13589, 15621, 29639, 34071, 35179, 39483, 40767, 46863, 88917, 102213, 105537, 122301, 266751, 316611, 557149, 1215199, 1442339, 1671447, 3645597, 3764153, 4327017, 5014341, 10936791, 11292459, 12981051, 33877377, 154330273, 462990819, 1388972457]

約数ペア:

[(1, 1388972457), (3, 462990819), (9, 154330273), (41, 33877377), (107, 12981051), (123, 11292459), (127, 10936791), (277, 5014341), (321, 4327017), (369, 3764153), (381, 3645597), (831, 1671447), (963, 1442339), (1143, 1215199), (2493, 557149), (4387, 316611), (5207, 266751), (11357, 122301), (13161, 105537), (13589, 102213), (15621, 88917), (29639, 46863), (34071, 40767), (35179, 39483)]