1809000001

素因数分解:

${\mathrm{157}}^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1\times {\mathrm{263}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 1845005184

約数和(自身を除く): 36005183

約数列:

[1, 157, 193, 227, 263, 30301, 35639, 41291, 43811, 50759, 59701, 6878327, 7969163, 9373057, 11522293, 1809000001]

約数ペア:

[(1, 1809000001), (157, 11522293), (193, 9373057), (227, 7969163), (263, 6878327), (30301, 59701), (35639, 50759), (41291, 43811)]