625949289

素因数分解:

$3^6\times 7^1\times {\mathrm{122663}}^1$

素因数の和:122688

約数の個数: 28

約数和(自身を含む): 1072574016

約数和(自身を除く): 446624727

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 122663, 367989, 858641, 1103967, 2575923, 3311901, 7727769, 9935703, 23183307, 29807109, 69549921, 89421327, 208649763, 625949289]

約数ペア:

[(1, 625949289), (3, 208649763), (7, 89421327), (9, 69549921), (21, 29807109), (27, 23183307), (63, 9935703), (81, 7727769), (189, 3311901), (243, 2575923), (567, 1103967), (729, 858641), (1701, 367989), (5103, 122663)]