397807767

素因数分解:

$3^5\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2411}}^1$

素因数の和:2530

約数の個数: 48

約数和(自身を含む): 688326912

約数和(自身を除く): 290519145

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 97, 189, 243, 291, 567, 679, 873, 1701, 2037, 2411, 2619, 6111, 7233, 7857, 16877, 18333, 21699, 23571, 50631, 54999, 65097, 151893, 164997, 195291, 233867, 455679, 585873, 701601, 1367037, 1637069, 2104803, 4101111, 4911207, 6314409, 14733621, 18943227, 44200863, 56829681, 132602589, 397807767]

約数ペア:

[(1, 397807767), (3, 132602589), (7, 56829681), (9, 44200863), (21, 18943227), (27, 14733621), (63, 6314409), (81, 4911207), (97, 4101111), (189, 2104803), (243, 1637069), (291, 1367037), (567, 701601), (679, 585873), (873, 455679), (1701, 233867), (2037, 195291), (2411, 164997), (2619, 151893), (6111, 65097), (7233, 54999), (7857, 50631), (16877, 23571), (18333, 21699)]