215205122021

素因数分解:

${\mathrm{131}}^1\times {\mathrm{397}}^1\times {\mathrm{701}}^1\times {\mathrm{5903}}^1$

素因数の和:7132

約数の個数: 16

約数和(自身を含む): 217741125888

約数和(自身を除く): 2536003867

約数列:

[1, 131, 397, 701, 5903, 52007, 91831, 278297, 773293, 2343491, 4138003, 36456907, 306997321, 542078393, 1642787191, 215205122021]

約数ペア:

[(1, 215205122021), (131, 1642787191), (397, 542078393), (701, 306997321), (5903, 36456907), (52007, 4138003), (91831, 2343491), (278297, 773293)]