209028387

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1\times {\mathrm{1427}}^1$

素因数の和:1898

約数の個数: 16

約数和(自身を含む): 281578752

約数和(自身を除く): 72550365

約数列:

[1, 3, 157, 311, 471, 933, 1427, 4281, 48827, 146481, 224039, 443797, 672117, 1331391, 69676129, 209028387]

約数ペア:

[(1, 209028387), (3, 69676129), (157, 1331391), (311, 672117), (471, 443797), (933, 224039), (1427, 146481), (4281, 48827)]