1621143

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 2471040

約数和(自身を除く): 849897

約数列:

[1, 3, 9, 43, 59, 71, 129, 177, 213, 387, 531, 639, 2537, 3053, 4189, 7611, 9159, 12567, 22833, 27477, 37701, 180127, 540381, 1621143]

約数ペア:

[(1, 1621143), (3, 540381), (9, 180127), (43, 37701), (59, 27477), (71, 22833), (129, 12567), (177, 9159), (213, 7611), (387, 4189), (531, 3053), (639, 2537)]