565525821

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1\times {\mathrm{661}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 872441856

約数和(自身を除く): 306916035

約数列:

[1, 3, 7, 21, 131, 311, 393, 661, 917, 933, 1983, 2177, 2751, 4627, 6531, 13881, 40741, 86591, 122223, 205571, 259773, 285187, 606137, 616713, 855561, 1438997, 1818411, 4316991, 26929801, 80789403, 188508607, 565525821]

約数ペア:

[(1, 565525821), (3, 188508607), (7, 80789403), (21, 26929801), (131, 4316991), (311, 1818411), (393, 1438997), (661, 855561), (917, 616713), (933, 606137), (1983, 285187), (2177, 259773), (2751, 205571), (4627, 122223), (6531, 86591), (13881, 40741)]