81255231

素因数分解:

$3^4\times {\mathrm{827}}^1\times {\mathrm{1213}}^1$

素因数の和:2052

約数の個数: 20

約数和(自身を含む): 121628232

約数和(自身を除く): 40373001

約数列:

[1, 3, 9, 27, 81, 827, 1213, 2481, 3639, 7443, 10917, 22329, 32751, 66987, 98253, 1003151, 3009453, 9028359, 27085077, 81255231]

約数ペア:

[(1, 81255231), (3, 27085077), (9, 9028359), (27, 3009453), (81, 1003151), (827, 98253), (1213, 66987), (2481, 32751), (3639, 22329), (7443, 10917)]