17955007

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{857}}^1$

素因数の和:978

約数の個数: 16

約数和(自身を含む): 21333312

約数和(自身を除く): 3378305

約数列:

[1, 7, 41, 73, 287, 511, 857, 2993, 5999, 20951, 35137, 62561, 245959, 437927, 2565001, 17955007]

約数ペア:

[(1, 17955007), (7, 2565001), (41, 437927), (73, 245959), (287, 62561), (511, 35137), (857, 20951), (2993, 5999)]