128213142729

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{129901867}}^1$

素因数の和:129901924

約数の個数: 16

約数和(自身を含む): 199529269248

約数和(自身を除く): 71316126519

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 129901867, 389705601, 909313069, 2727939207, 6105387749, 18316163247, 42737714243, 128213142729]

約数ペア:

[(1, 128213142729), (3, 42737714243), (7, 18316163247), (21, 6105387749), (47, 2727939207), (141, 909313069), (329, 389705601), (987, 129901867)]