181639503

素因数分解:

$3^4\times {\mathrm{1303}}^1\times {\mathrm{1721}}^1$

素因数の和:3036

約数の個数: 20

約数和(自身を含む): 271704048

約数和(自身を除く): 90064545

約数列:

[1, 3, 9, 27, 81, 1303, 1721, 3909, 5163, 11727, 15489, 35181, 46467, 105543, 139401, 2242463, 6727389, 20182167, 60546501, 181639503]

約数ペア:

[(1, 181639503), (3, 60546501), (9, 20182167), (27, 6727389), (81, 2242463), (1303, 139401), (1721, 105543), (3909, 46467), (5163, 35181), (11727, 15489)]