28225269

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{44171}}^1$

素因数の和:44248

約数の個数: 12

約数和(自身を含む): 41344992

約数和(自身を除く): 13119723

約数列:

[1, 3, 9, 71, 213, 639, 44171, 132513, 397539, 3136141, 9408423, 28225269]

約数ペア:

[(1, 28225269), (3, 9408423), (9, 3136141), (71, 397539), (213, 132513), (639, 44171)]