539473487

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{9769}}^1$

素因数の和:9820

約数の個数: 20

約数和(自身を含む): 656778480

約数和(自身を除く): 117304993

約数列:

[1, 7, 23, 49, 161, 343, 1127, 2401, 7889, 9769, 55223, 68383, 224687, 478681, 1572809, 3350767, 11009663, 23455369, 77067641, 539473487]

約数ペア:

[(1, 539473487), (7, 77067641), (23, 23455369), (49, 11009663), (161, 3350767), (343, 1572809), (1127, 478681), (2401, 224687), (7889, 68383), (9769, 55223)]