489353949

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{408817}}^1$

素因数の和:408849

約数の個数: 24

約数和(自身を含む): 850341440

約数和(自身を除く): 360987491

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 408817, 1226451, 2861719, 3679353, 7767523, 8585157, 23302569, 25755471, 54372661, 69907707, 163117983, 489353949]

約数ペア:

[(1, 489353949), (3, 163117983), (7, 69907707), (9, 54372661), (19, 25755471), (21, 23302569), (57, 8585157), (63, 7767523), (133, 3679353), (171, 2861719), (399, 1226451), (1197, 408817)]