128532891

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^2$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 185401920

約数和(自身を除く): 56869029

約数列:

[1, 3, 19, 43, 57, 129, 229, 687, 817, 2451, 4351, 9847, 13053, 29541, 52441, 157323, 187093, 561279, 996379, 2254963, 2989137, 6764889, 42844297, 128532891]

約数ペア:

[(1, 128532891), (3, 42844297), (19, 6764889), (43, 2989137), (57, 2254963), (129, 996379), (229, 561279), (687, 187093), (817, 157323), (2451, 52441), (4351, 29541), (9847, 13053)]