17189221

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{701}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 20487168

約数和(自身を除く): 3297947

約数列:

[1, 7, 31, 113, 217, 701, 791, 3503, 4907, 21731, 24521, 79213, 152117, 554491, 2455603, 17189221]

約数ペア:

[(1, 17189221), (7, 2455603), (31, 554491), (113, 152117), (217, 79213), (701, 24521), (791, 21731), (3503, 4907)]