164660391

素因数分解:

$3^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{4129}}^1$

素因数の和:4356

約数の個数: 32

約数和(自身を含む): 280179200

約数和(自身を除く): 115518809

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 211, 633, 1477, 1899, 4129, 4431, 5697, 12387, 13293, 28903, 37161, 39879, 86709, 111483, 260127, 780381, 871219, 2613657, 6098533, 7840971, 18295599, 23522913, 54886797, 164660391]

約数ペア:

[(1, 164660391), (3, 54886797), (7, 23522913), (9, 18295599), (21, 7840971), (27, 6098533), (63, 2613657), (189, 871219), (211, 780381), (633, 260127), (1477, 111483), (1899, 86709), (4129, 39879), (4431, 37161), (5697, 28903), (12387, 13293)]