153657

素因数分解:

$3^4\times 7^1\times {\mathrm{271}}^1$

素因数の和:290

約数の個数: 20

約数和(自身を含む): 263296

約数和(自身を除く): 109639

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 271, 567, 813, 1897, 2439, 5691, 7317, 17073, 21951, 51219, 153657]

約数ペア:

[(1, 153657), (3, 51219), (7, 21951), (9, 17073), (21, 7317), (27, 5691), (63, 2439), (81, 1897), (189, 813), (271, 567)]