17690491

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6271}}^1$

素因数の和:6322

約数の個数: 16

約数和(自身を含む): 22478848

約数和(自身を除く): 4788357

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 6271, 43897, 81523, 194401, 570661, 1360807, 2527213, 17690491]

約数ペア:

[(1, 17690491), (7, 2527213), (13, 1360807), (31, 570661), (91, 194401), (217, 81523), (403, 43897), (2821, 6271)]