81840294

素因数分解:

$2^1\times 3^4\times {\mathrm{505187}}^1$

素因数の和:505201

約数の個数: 20

約数和(自身を含む): 183383244

約数和(自身を除く): 101542950

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 505187, 1010374, 1515561, 3031122, 4546683, 9093366, 13640049, 27280098, 40920147, 81840294]

約数ペア:

[(1, 81840294), (2, 40920147), (3, 27280098), (6, 13640049), (9, 9093366), (18, 4546683), (27, 3031122), (54, 1515561), (81, 1010374), (162, 505187)]