57570021

素因数分解:

$3^4\times {\mathrm{439}}^1\times {\mathrm{1619}}^1$

素因数の和:2070

約数の個数: 20

約数和(自身を含む): 86248800

約数和(自身を除く): 28678779

約数列:

[1, 3, 9, 27, 81, 439, 1317, 1619, 3951, 4857, 11853, 14571, 35559, 43713, 131139, 710741, 2132223, 6396669, 19190007, 57570021]

約数ペア:

[(1, 57570021), (3, 19190007), (9, 6396669), (27, 2132223), (81, 710741), (439, 131139), (1317, 43713), (1619, 35559), (3951, 14571), (4857, 11853)]