258207831

素因数分解:

$3^4\times 7^1\times {\mathrm{455393}}^1$

素因数の和:455412

約数の個数: 20

約数和(自身を含む): 440821392

約数和(自身を除く): 182613561

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 455393, 1366179, 3187751, 4098537, 9563253, 12295611, 28689759, 36886833, 86069277, 258207831]

約数ペア:

[(1, 258207831), (3, 86069277), (7, 36886833), (9, 28689759), (21, 12295611), (27, 9563253), (63, 4098537), (81, 3187751), (189, 1366179), (567, 455393)]