406980231

素因数分解:

$3^1\times 7^2\times {\mathrm{2768573}}^1$

素因数の和:2768590

約数の個数: 12

約数和(自身を含む): 631234872

約数和(自身を除く): 224254641

約数列:

[1, 3, 7, 21, 49, 147, 2768573, 8305719, 19380011, 58140033, 135660077, 406980231]

約数ペア:

[(1, 406980231), (3, 135660077), (7, 58140033), (21, 19380011), (49, 8305719), (147, 2768573)]