2559357

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1663}}^1$

素因数の和:1694

約数の個数: 20

約数和(自身を含む): 4026880

約数和(自身を除く): 1467523

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 1663, 4989, 14967, 31597, 44901, 94791, 134703, 284373, 853119, 2559357]

約数ペア:

[(1, 2559357), (3, 853119), (9, 284373), (19, 134703), (27, 94791), (57, 44901), (81, 31597), (171, 14967), (513, 4989), (1539, 1663)]