78871131

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{41143}}^1$

素因数の和:41223

約数の個数: 16

約数和(自身を含む): 118494720

約数和(自身を除く): 39623589

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 41143, 123429, 370287, 1110861, 2921153, 8763459, 26290377, 78871131]

約数ペア:

[(1, 78871131), (3, 26290377), (9, 8763459), (27, 2921153), (71, 1110861), (213, 370287), (639, 123429), (1917, 41143)]