81743967

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{409}}^1\times {\mathrm{419}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 120884400

約数和(自身を除く): 39140433

約数列:

[1, 3, 9, 53, 159, 409, 419, 477, 1227, 1257, 3681, 3771, 21677, 22207, 65031, 66621, 171371, 195093, 199863, 514113, 1542339, 9082663, 27247989, 81743967]

約数ペア:

[(1, 81743967), (3, 27247989), (9, 9082663), (53, 1542339), (159, 514113), (409, 199863), (419, 195093), (477, 171371), (1227, 66621), (1257, 65031), (3681, 22207), (3771, 21677)]