215521019

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{1093}}^1\times {\mathrm{1657}}^1$

素因数の和:2774

約数の個数: 16

約数和(自身を含む): 261194688

約数和(自身を除く): 45673669

約数列:

[1, 7, 17, 119, 1093, 1657, 7651, 11599, 18581, 28169, 130067, 197183, 1811101, 12677707, 30788717, 215521019]

約数ペア:

[(1, 215521019), (7, 30788717), (17, 12677707), (119, 1811101), (1093, 197183), (1657, 130067), (7651, 28169), (11599, 18581)]