1387903242

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{21028837}}^1$

素因数の和:21028853

約数の個数: 16

約数和(自身を含む): 3028152672

約数和(自身を除く): 1640249430

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 21028837, 42057674, 63086511, 126173022, 231317207, 462634414, 693951621, 1387903242]

約数ペア:

[(1, 1387903242), (2, 693951621), (3, 462634414), (6, 231317207), (11, 126173022), (22, 63086511), (33, 42057674), (66, 21028837)]