259497729

素因数分解:

$3^3\times {\mathrm{439}}^1\times {\mathrm{21893}}^1$

素因数の和:22341

約数の個数: 16

約数和(自身を含む): 385334400

約数和(自身を除く): 125836671

約数列:

[1, 3, 9, 27, 439, 1317, 3951, 11853, 21893, 65679, 197037, 591111, 9611027, 28833081, 86499243, 259497729]

約数ペア:

[(1, 259497729), (3, 86499243), (9, 28833081), (27, 9611027), (439, 591111), (1317, 197037), (3951, 65679), (11853, 21893)]