39619845

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 73008000

約数和(自身を除く): 33388155

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 149, 171, 285, 311, 447, 745, 855, 933, 1341, 1555, 2235, 2799, 2831, 4665, 5909, 6705, 8493, 13995, 14155, 17727, 25479, 29545, 42465, 46339, 53181, 88635, 127395, 139017, 231695, 265905, 417051, 695085, 880441, 2085255, 2641323, 4402205, 7923969, 13206615, 39619845]

約数ペア:

[(1, 39619845), (3, 13206615), (5, 7923969), (9, 4402205), (15, 2641323), (19, 2085255), (45, 880441), (57, 695085), (95, 417051), (149, 265905), (171, 231695), (285, 139017), (311, 127395), (447, 88635), (745, 53181), (855, 46339), (933, 42465), (1341, 29545), (1555, 25479), (2235, 17727), (2799, 14155), (2831, 13995), (4665, 8493), (5909, 6705)]