81107663

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 110151360

約数和(自身を除く): 29043697

約数列:

[1, 7, 13, 17, 37, 91, 109, 119, 169, 221, 259, 481, 629, 763, 1183, 1417, 1547, 1853, 2873, 3367, 4033, 4403, 6253, 8177, 9919, 12971, 18421, 20111, 24089, 28231, 43771, 52429, 57239, 68561, 106301, 128947, 168623, 313157, 367003, 479927, 681577, 744107, 891293, 2192099, 4771039, 6239051, 11586809, 81107663]

約数ペア:

[(1, 81107663), (7, 11586809), (13, 6239051), (17, 4771039), (37, 2192099), (91, 891293), (109, 744107), (119, 681577), (169, 479927), (221, 367003), (259, 313157), (481, 168623), (629, 128947), (763, 106301), (1183, 68561), (1417, 57239), (1547, 52429), (1853, 43771), (2873, 28231), (3367, 24089), (4033, 20111), (4403, 18421), (6253, 12971), (8177, 9919)]