161723709

素因数分解:

$3^4\times 7^1\times {\mathrm{285227}}^1$

素因数の和:285246

約数の個数: 20

約数和(自身を含む): 276100704

約数和(自身を除く): 114376995

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 285227, 855681, 1996589, 2567043, 5989767, 7701129, 17969301, 23103387, 53907903, 161723709]

約数ペア:

[(1, 161723709), (3, 53907903), (7, 23103387), (9, 17969301), (21, 7701129), (27, 5989767), (63, 2567043), (81, 1996589), (189, 855681), (567, 285227)]