1318211997

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{1721}}^1\times {\mathrm{1949}}^1$

素因数の和:3804

約数の個数: 16

約数和(自身を含む): 1772971200

約数和(自身を除く): 454759203

約数列:

[1, 3, 131, 393, 1721, 1949, 5163, 5847, 225451, 255319, 676353, 765957, 3354229, 10062687, 439403999, 1318211997]

約数ペア:

[(1, 1318211997), (3, 439403999), (131, 10062687), (393, 3354229), (1721, 765957), (1949, 676353), (5163, 255319), (5847, 225451)]