905121

素因数分解:

$3^3\times 7^1\times {\mathrm{4789}}^1$

素因数の和:4805

約数の個数: 16

約数和(自身を含む): 1532800

約数和(自身を除く): 627679

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 4789, 14367, 33523, 43101, 100569, 129303, 301707, 905121]

約数ペア:

[(1, 905121), (3, 301707), (7, 129303), (9, 100569), (21, 43101), (27, 33523), (63, 14367), (189, 4789)]