1380821547

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1529149}}^1$

素因数の和:1529202

約数の個数: 16

約数和(自身を含む): 2153043200

約数和(自身を除く): 772221653

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 1529149, 4587447, 10704043, 32112129, 65753407, 197260221, 460273849, 1380821547]

約数ペア:

[(1, 1380821547), (3, 460273849), (7, 197260221), (21, 65753407), (43, 32112129), (129, 10704043), (301, 4587447), (903, 1529149)]