28889247471

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2707}}^1\times {\mathrm{3821}}^1$

素因数の和:6564

約数の個数: 48

約数和(自身を含む): 47195890560

約数和(自身を除く): 18306643089

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2707, 2793, 3821, 8121, 11463, 18949, 26747, 51433, 56847, 72599, 80241, 132643, 154299, 187229, 217797, 360031, 397929, 508193, 561687, 1080093, 1524579, 2520217, 3557351, 7560651, 10343447, 10672053, 31030341, 72404129, 196525493, 217212387, 506828903, 589576479, 1375678451, 1520486709, 4127035353, 9629749157, 28889247471]

約数ペア:

[(1, 28889247471), (3, 9629749157), (7, 4127035353), (19, 1520486709), (21, 1375678451), (49, 589576479), (57, 506828903), (133, 217212387), (147, 196525493), (399, 72404129), (931, 31030341), (2707, 10672053), (2793, 10343447), (3821, 7560651), (8121, 3557351), (11463, 2520217), (18949, 1524579), (26747, 1080093), (51433, 561687), (56847, 508193), (72599, 397929), (80241, 360031), (132643, 217797), (154299, 187229)]