18127207

素因数分解:

$7^3\times {\mathrm{41}}^1\times {\mathrm{1289}}^1$

素因数の和:1351

約数の個数: 16

約数和(自身を含む): 21672000

約数和(自身を除く): 3544793

約数列:

[1, 7, 41, 49, 287, 343, 1289, 2009, 9023, 14063, 52849, 63161, 369943, 442127, 2589601, 18127207]

約数ペア:

[(1, 18127207), (7, 2589601), (41, 442127), (49, 369943), (287, 63161), (343, 52849), (1289, 14063), (2009, 9023)]