2107863

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:556

約数の個数: 20

約数和(自身を含む): 3214728

約数和(自身を除く): 1106865

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 491, 1431, 1473, 4293, 4419, 13257, 26023, 39771, 78069, 234207, 702621, 2107863]

約数ペア:

[(1, 2107863), (3, 702621), (9, 234207), (27, 78069), (53, 39771), (81, 26023), (159, 13257), (477, 4419), (491, 4293), (1431, 1473)]