20170319

素因数分解:

${\mathrm{13}}^2\times {\mathrm{41}}^2\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 18

約数和(自身を含む): 22702248

約数和(自身を除く): 2531929

約数列:

[1, 13, 41, 71, 169, 533, 923, 1681, 2911, 6929, 11999, 21853, 37843, 119351, 284089, 491959, 1551563, 20170319]

約数ペア:

[(1, 20170319), (13, 1551563), (41, 491959), (71, 284089), (169, 119351), (533, 37843), (923, 21853), (1681, 11999), (2911, 6929)]