28847709

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1381}}^1$

素因数の和:1609

約数の個数: 24

約数和(自身を含む): 45705504

約数和(自身を除く): 16857795

約数列:

[1, 3, 9, 11, 33, 99, 211, 633, 1381, 1899, 2321, 4143, 6963, 12429, 15191, 20889, 45573, 136719, 291391, 874173, 2622519, 3205301, 9615903, 28847709]

約数ペア:

[(1, 28847709), (3, 9615903), (9, 3205301), (11, 2622519), (33, 874173), (99, 291391), (211, 136719), (633, 45573), (1381, 20889), (1899, 15191), (2321, 12429), (4143, 6963)]