257423571

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{5209}}^1$

素因数の和:5268

約数の個数: 36

約数和(自身を含む): 415862200

約数和(自身を除く): 158438629

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 289, 323, 867, 969, 2601, 2907, 5209, 5491, 15627, 16473, 46881, 49419, 88553, 98971, 265659, 296913, 796977, 890739, 1505401, 1682507, 4516203, 5047521, 13548609, 15142563, 28602619, 85807857, 257423571]

約数ペア:

[(1, 257423571), (3, 85807857), (9, 28602619), (17, 15142563), (19, 13548609), (51, 5047521), (57, 4516203), (153, 1682507), (171, 1505401), (289, 890739), (323, 796977), (867, 296913), (969, 265659), (2601, 98971), (2907, 88553), (5209, 49419), (5491, 46881), (15627, 16473)]