489477639

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{29921}}^1$

素因数の和:29991

約数の個数: 32

約数和(自身を含む): 804303360

約数和(自身を除く): 314825721

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 779, 861, 2337, 5453, 16359, 29921, 89763, 209447, 568499, 628341, 1226761, 1705497, 3680283, 3979493, 8587327, 11938479, 23308459, 25761981, 69925377, 163159213, 489477639]

約数ペア:

[(1, 489477639), (3, 163159213), (7, 69925377), (19, 25761981), (21, 23308459), (41, 11938479), (57, 8587327), (123, 3979493), (133, 3680283), (287, 1705497), (399, 1226761), (779, 628341), (861, 568499), (2337, 209447), (5453, 89763), (16359, 29921)]