287642007

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{39119}}^1$

素因数の和:39187

約数の個数: 24

約数和(自身を含む): 447532800

約数和(自身を除く): 159890793

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 39119, 117357, 352071, 743261, 1682117, 2229783, 5046351, 6689349, 15139053, 31960223, 95880669, 287642007]

約数ペア:

[(1, 287642007), (3, 95880669), (9, 31960223), (19, 15139053), (43, 6689349), (57, 5046351), (129, 2229783), (171, 1682117), (387, 743261), (817, 352071), (2451, 117357), (7353, 39119)]