42390387

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19069}}^1$

素因数の和:19107

約数の個数: 24

約数和(自身を含む): 69414800

約数和(自身を除く): 27024413

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 19069, 57207, 171621, 247897, 362311, 743691, 1086933, 2231073, 3260799, 4710043, 14130129, 42390387]

約数ペア:

[(1, 42390387), (3, 14130129), (9, 4710043), (13, 3260799), (19, 2231073), (39, 1086933), (57, 743691), (117, 362311), (171, 247897), (247, 171621), (741, 57207), (2223, 19069)]