1289366937

素因数分解:

$3^3\times {\mathrm{3023}}^1\times {\mathrm{15797}}^1$

素因数の和:18829

約数の個数: 16

約数和(自身を含む): 1910926080

約数和(自身を除く): 621559143

約数列:

[1, 3, 9, 27, 3023, 9069, 15797, 27207, 47391, 81621, 142173, 426519, 47754331, 143262993, 429788979, 1289366937]

約数ペア:

[(1, 1289366937), (3, 429788979), (9, 143262993), (27, 47754331), (3023, 426519), (9069, 142173), (15797, 81621), (27207, 47391)]