797121

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{757}}^1$

素因数の和:782

約数の個数: 20

約数和(自身を含む): 1284052

約数和(自身を除く): 486931

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 757, 1053, 2271, 6813, 9841, 20439, 29523, 61317, 88569, 265707, 797121]

約数ペア:

[(1, 797121), (3, 265707), (9, 88569), (13, 61317), (27, 29523), (39, 20439), (81, 9841), (117, 6813), (351, 2271), (757, 1053)]