247968279

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{7489}}^1$

素因数の和:7791

約数の個数: 24

約数和(自身を含む): 387143120

約数和(自身を除く): 139174841

約数列:

[1, 3, 9, 13, 39, 117, 283, 849, 2547, 3679, 7489, 11037, 22467, 33111, 67401, 97357, 292071, 876213, 2119387, 6358161, 19074483, 27552031, 82656093, 247968279]

約数ペア:

[(1, 247968279), (3, 82656093), (9, 27552031), (13, 19074483), (39, 6358161), (117, 2119387), (283, 876213), (849, 292071), (2547, 97357), (3679, 67401), (7489, 33111), (11037, 22467)]