81570946239

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{6178213}}^1$

素因数の和:6178388

約数の個数: 20

約数和(自身を含む): 122600478616

約数和(自身を除く): 41029532377

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 4401, 13203, 6178213, 18534639, 55603917, 166811751, 500435253, 1007048719, 3021146157, 9063438471, 27190315413, 81570946239]

約数ペア:

[(1, 81570946239), (3, 27190315413), (9, 9063438471), (27, 3021146157), (81, 1007048719), (163, 500435253), (489, 166811751), (1467, 55603917), (4401, 18534639), (13203, 6178213)]