2013569985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{19709}}^1$

素因数の和:19870

約数の個数: 48

約数和(自身を含む): 3774859200

約数和(自身を除く): 1761289215

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 139, 147, 245, 417, 695, 735, 973, 2085, 2919, 4865, 6811, 14595, 19709, 20433, 34055, 59127, 98545, 102165, 137963, 295635, 413889, 689815, 965741, 2069445, 2739551, 2897223, 4828705, 8218653, 13697755, 14486115, 19176857, 41093265, 57530571, 95884285, 134237999, 287652855, 402713997, 671189995, 2013569985]

約数ペア:

[(1, 2013569985), (3, 671189995), (5, 402713997), (7, 287652855), (15, 134237999), (21, 95884285), (35, 57530571), (49, 41093265), (105, 19176857), (139, 14486115), (147, 13697755), (245, 8218653), (417, 4828705), (695, 2897223), (735, 2739551), (973, 2069445), (2085, 965741), (2919, 689815), (4865, 413889), (6811, 295635), (14595, 137963), (19709, 102165), (20433, 98545), (34055, 59127)]