51980859

素因数分解:

$3^5\times 7^1\times {\mathrm{30559}}^1$

素因数の和:30581

約数の個数: 24

約数和(自身を含む): 88990720

約数和(自身を除く): 37009861

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 30559, 91677, 213913, 275031, 641739, 825093, 1925217, 2475279, 5775651, 7425837, 17326953, 51980859]

約数ペア:

[(1, 51980859), (3, 17326953), (7, 7425837), (9, 5775651), (21, 2475279), (27, 1925217), (63, 825093), (81, 641739), (189, 275031), (243, 213913), (567, 91677), (1701, 30559)]