281886723

素因数分解:

$3^4\times {\mathrm{673}}^1\times {\mathrm{5171}}^1$

素因数の和:5856

約数の個数: 20

約数和(自身を含む): 421797288

約数和(自身を除く): 139910565

約数列:

[1, 3, 9, 27, 81, 673, 2019, 5171, 6057, 15513, 18171, 46539, 54513, 139617, 418851, 3480083, 10440249, 31320747, 93962241, 281886723]

約数ペア:

[(1, 281886723), (3, 93962241), (9, 31320747), (27, 10440249), (81, 3480083), (673, 418851), (2019, 139617), (5171, 54513), (6057, 46539), (15513, 18171)]