388617789

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1\times {\mathrm{709}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 607805440

約数和(自身を除く): 219187651

約数列:

[1, 3, 7, 21, 43, 129, 301, 607, 709, 903, 1821, 2127, 4249, 4963, 12747, 14889, 26101, 30487, 78303, 91461, 182707, 213409, 430363, 548121, 640227, 1291089, 3012541, 9037623, 18505609, 55516827, 129539263, 388617789]

約数ペア:

[(1, 388617789), (3, 129539263), (7, 55516827), (21, 18505609), (43, 9037623), (129, 3012541), (301, 1291089), (607, 640227), (709, 548121), (903, 430363), (1821, 213409), (2127, 182707), (4249, 91461), (4963, 78303), (12747, 30487), (14889, 26101)]