2009969227

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{2081}}^1\times {\mathrm{4451}}^1$

素因数の和:6570

約数の個数: 16

約数和(自身を含む): 2372880384

約数和(自身を除く): 362911157

約数列:

[1, 7, 31, 217, 2081, 4451, 14567, 31157, 64511, 137981, 451577, 965867, 9262531, 64837717, 287138461, 2009969227]

約数ペア:

[(1, 2009969227), (7, 287138461), (31, 64837717), (217, 9262531), (2081, 965867), (4451, 451577), (14567, 137981), (31157, 64511)]