156713211

素因数分解:

$3^4\times {\mathrm{311}}^1\times {\mathrm{6221}}^1$

素因数の和:6544

約数の個数: 20

約数和(自身を含む): 234892944

約数和(自身を除く): 78179733

約数列:

[1, 3, 9, 27, 81, 311, 933, 2799, 6221, 8397, 18663, 25191, 55989, 167967, 503901, 1934731, 5804193, 17412579, 52237737, 156713211]

約数ペア:

[(1, 156713211), (3, 52237737), (9, 17412579), (27, 5804193), (81, 1934731), (311, 503901), (933, 167967), (2799, 55989), (6221, 25191), (8397, 18663)]