2247386421

素因数分解:

$3^1\times 7^4\times {\mathrm{312007}}^1$

素因数の和:312038

約数の個数: 20

約数和(自身を含む): 3495737632

約数和(自身を除く): 1248351211

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 312007, 936021, 2184049, 6552147, 15288343, 45865029, 107018401, 321055203, 749128807, 2247386421]

約数ペア:

[(1, 2247386421), (3, 749128807), (7, 321055203), (21, 107018401), (49, 45865029), (147, 15288343), (343, 6552147), (1029, 2184049), (2401, 936021), (7203, 312007)]