81248697

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{21649}}^1$

素因数の和:21797

約数の個数: 16

約数和(自身を含む): 121240000

約数和(自身を除く): 39991303

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 21649, 64947, 194841, 584523, 3009211, 9027633, 27082899, 81248697]

約数ペア:

[(1, 81248697), (3, 27082899), (9, 9027633), (27, 3009211), (139, 584523), (417, 194841), (1251, 64947), (3753, 21649)]