79440021

素因数分解:

$3^4\times {\mathrm{179}}^1\times {\mathrm{5479}}^1$

素因数の和:5670

約数の個数: 20

約数和(自身を含む): 119354400

約数和(自身を除く): 39914379

約数列:

[1, 3, 9, 27, 81, 179, 537, 1611, 4833, 5479, 14499, 16437, 49311, 147933, 443799, 980741, 2942223, 8826669, 26480007, 79440021]

約数ペア:

[(1, 79440021), (3, 26480007), (9, 8826669), (27, 2942223), (81, 980741), (179, 443799), (537, 147933), (1611, 49311), (4833, 16437), (5479, 14499)]