87136413

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 152893440

約数和(自身を除く): 65757027

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 107, 133, 157, 247, 273, 321, 399, 471, 741, 749, 1099, 1391, 1729, 2033, 2041, 2247, 2983, 3297, 4173, 5187, 6099, 6123, 8949, 9737, 14231, 14287, 16799, 20881, 26429, 29211, 38779, 42693, 42861, 50397, 62643, 79287, 116337, 117593, 185003, 218387, 271453, 319181, 352779, 555009, 655161, 814359, 957543, 1528709, 2234267, 4149353, 4586127, 6702801, 12448059, 29045471, 87136413]

約数ペア:

[(1, 87136413), (3, 29045471), (7, 12448059), (13, 6702801), (19, 4586127), (21, 4149353), (39, 2234267), (57, 1528709), (91, 957543), (107, 814359), (133, 655161), (157, 555009), (247, 352779), (273, 319181), (321, 271453), (399, 218387), (471, 185003), (741, 117593), (749, 116337), (1099, 79287), (1391, 62643), (1729, 50397), (2033, 42861), (2041, 42693), (2247, 38779), (2983, 29211), (3297, 26429), (4173, 20881), (5187, 16799), (6099, 14287), (6123, 14231), (8949, 9737)]