1380821519

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{2561821}}^1$

素因数の和:2561846

約数の個数: 12

約数和(自身を含む): 1752286248

約数和(自身を除く): 371464729

約数列:

[1, 7, 11, 49, 77, 539, 2561821, 17932747, 28180031, 125529229, 197260217, 1380821519]

約数ペア:

[(1, 1380821519), (7, 197260217), (11, 125529229), (49, 28180031), (77, 17932747), (539, 2561821)]