30487989

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1777}}^1$

素因数の和:1849

約数の個数: 32

約数和(自身を含む): 50068480

約数和(自身を除く): 19580491

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 817, 903, 1777, 2451, 5331, 5719, 12439, 17157, 33763, 37317, 76411, 101289, 229233, 236341, 534877, 709023, 1451809, 1604631, 4355427, 10162663, 30487989]

約数ペア:

[(1, 30487989), (3, 10162663), (7, 4355427), (19, 1604631), (21, 1451809), (43, 709023), (57, 534877), (129, 236341), (133, 229233), (301, 101289), (399, 76411), (817, 37317), (903, 33763), (1777, 17157), (2451, 12439), (5331, 5719)]