209703313

素因数分解:

${\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 233418240

約数和(自身を除く): 23714927

約数列:

[1, 17, 31, 89, 263, 289, 527, 1513, 2759, 4471, 8153, 8959, 23407, 25721, 46903, 76007, 138601, 397919, 725617, 797351, 2356217, 6764623, 12335489, 209703313]

約数ペア:

[(1, 209703313), (17, 12335489), (31, 6764623), (89, 2356217), (263, 797351), (289, 725617), (527, 397919), (1513, 138601), (2759, 76007), (4471, 46903), (8153, 25721), (8959, 23407)]