1998413907

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{606131}}^1$

素因数の和:606298

約数の個数: 16

約数和(自身を含む): 3064603392

約数和(自身を除く): 1066189485

約数列:

[1, 3, 7, 21, 157, 471, 1099, 3297, 606131, 1818393, 4242917, 12728751, 95162567, 285487701, 666137969, 1998413907]

約数ペア:

[(1, 1998413907), (3, 666137969), (7, 285487701), (21, 95162567), (157, 12728751), (471, 4242917), (1099, 1818393), (3297, 606131)]