245397327

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{8329}}^1$

素因数の和:8423

約数の個数: 32

約数和(自身を含む): 396641280

約数和(自身を除く): 151243953

約数列:

[1, 3, 7, 21, 23, 61, 69, 161, 183, 427, 483, 1281, 1403, 4209, 8329, 9821, 24987, 29463, 58303, 174909, 191567, 508069, 574701, 1340969, 1524207, 3556483, 4022907, 10669449, 11685587, 35056761, 81799109, 245397327]

約数ペア:

[(1, 245397327), (3, 81799109), (7, 35056761), (21, 11685587), (23, 10669449), (61, 4022907), (69, 3556483), (161, 1524207), (183, 1340969), (427, 574701), (483, 508069), (1281, 191567), (1403, 174909), (4209, 58303), (8329, 29463), (9821, 24987)]