121821721

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1\times {\mathrm{919}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 144403200

約数和(自身を除く): 22581479

約数列:

[1, 7, 29, 203, 653, 919, 4571, 6433, 18937, 26651, 132559, 186557, 600107, 4200749, 17403103, 121821721]

約数ペア:

[(1, 121821721), (7, 17403103), (29, 4200749), (203, 600107), (653, 186557), (919, 132559), (4571, 26651), (6433, 18937)]