328045221

素因数分解:

$3^4\times 7^1\times {\mathrm{578563}}^1$

素因数の和:578582

約数の個数: 20

約数和(自身を含む): 560049952

約数和(自身を除く): 232004731

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 578563, 1735689, 4049941, 5207067, 12149823, 15621201, 36449469, 46863603, 109348407, 328045221]

約数ペア:

[(1, 328045221), (3, 109348407), (7, 46863603), (9, 36449469), (21, 15621201), (27, 12149823), (63, 5207067), (81, 4049941), (189, 1735689), (567, 578563)]