51345981

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{15461}}^1$

素因数の和:15514

約数の個数: 20

約数和(自身を含む): 78577884

約数和(自身を除く): 27231903

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 15461, 46383, 139149, 417447, 633901, 1252341, 1901703, 5705109, 17115327, 51345981]

約数ペア:

[(1, 51345981), (3, 17115327), (9, 5705109), (27, 1901703), (41, 1252341), (81, 633901), (123, 417447), (369, 139149), (1107, 46383), (3321, 15461)]