161680617

素因数分解:

$3^4\times 7^1\times {\mathrm{285151}}^1$

素因数の和:285170

約数の個数: 20

約数和(自身を含む): 276027136

約数和(自身を除く): 114346519

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 285151, 855453, 1996057, 2566359, 5988171, 7699077, 17964513, 23097231, 53893539, 161680617]

約数ペア:

[(1, 161680617), (3, 53893539), (7, 23097231), (9, 17964513), (21, 7699077), (27, 5988171), (63, 2566359), (81, 1996057), (189, 855453), (567, 285151)]