155440691

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{839}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 191520000

約数和(自身を除く): 36079309

約数列:

[1, 7, 19, 49, 133, 199, 839, 931, 1393, 3781, 5873, 9751, 15941, 26467, 41111, 111587, 166961, 185269, 781109, 1168727, 3172259, 8181089, 22205813, 155440691]

約数ペア:

[(1, 155440691), (7, 22205813), (19, 8181089), (49, 3172259), (133, 1168727), (199, 781109), (839, 185269), (931, 166961), (1393, 111587), (3781, 41111), (5873, 26467), (9751, 15941)]