321330289

素因数分解:

$7^3\times {\mathrm{223}}^1\times {\mathrm{4201}}^1$

素因数の和:4445

約数の個数: 16

約数和(自身を含む): 376499200

約数和(自身を除く): 55168911

約数列:

[1, 7, 49, 223, 343, 1561, 4201, 10927, 29407, 76489, 205849, 936823, 1440943, 6557761, 45904327, 321330289]

約数ペア:

[(1, 321330289), (7, 45904327), (49, 6557761), (223, 1440943), (343, 936823), (1561, 205849), (4201, 76489), (10927, 29407)]