211703139

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{35803}}^1$

素因数の和:35888

約数の個数: 20

約数和(自身を含む): 320589016

約数和(自身を除く): 108885877

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 35803, 107409, 322227, 966681, 2613619, 2900043, 7840857, 23522571, 70567713, 211703139]

約数ペア:

[(1, 211703139), (3, 70567713), (9, 23522571), (27, 7840857), (73, 2900043), (81, 2613619), (219, 966681), (657, 322227), (1971, 107409), (5913, 35803)]