205152857

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{727}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 257939136

約数和(自身を除く): 52786279

約数列:

[1, 7, 13, 49, 91, 443, 637, 727, 3101, 5089, 5759, 9451, 21707, 35623, 40313, 66157, 282191, 322061, 463099, 2254427, 4186793, 15780989, 29307551, 205152857]

約数ペア:

[(1, 205152857), (7, 29307551), (13, 15780989), (49, 4186793), (91, 2254427), (443, 463099), (637, 322061), (727, 282191), (3101, 66157), (5089, 40313), (5759, 35623), (9451, 21707)]