1269151821

素因数分解:

$3^6\times 7^1\times {\mathrm{248707}}^1$

素因数の和:248732

約数の個数: 28

約数和(自身を含む): 2174702752

約数和(自身を除く): 905550931

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 248707, 746121, 1740949, 2238363, 5222847, 6715089, 15668541, 20145267, 47005623, 60435801, 141016869, 181307403, 423050607, 1269151821]

約数ペア:

[(1, 1269151821), (3, 423050607), (7, 181307403), (9, 141016869), (21, 60435801), (27, 47005623), (63, 20145267), (81, 15668541), (189, 6715089), (243, 5222847), (567, 2238363), (729, 1740949), (1701, 746121), (5103, 248707)]