128515233

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{556343}}^1$

素因数の和:556364

約数の個数: 16

約数和(自身を含む): 213636096

約数和(自身を除く): 85120863

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 556343, 1669029, 3894401, 6119773, 11683203, 18359319, 42838411, 128515233]

約数ペア:

[(1, 128515233), (3, 42838411), (7, 18359319), (11, 11683203), (21, 6119773), (33, 3894401), (77, 1669029), (231, 556343)]