28640193

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 12417087

約数列:

[1, 3, 43, 53, 59, 71, 129, 159, 177, 213, 2279, 2537, 3053, 3127, 3763, 4189, 6837, 7611, 9159, 9381, 11289, 12567, 134461, 161809, 180127, 222017, 403383, 485427, 540381, 666051, 9546731, 28640193]

約数ペア:

[(1, 28640193), (3, 9546731), (43, 666051), (53, 540381), (59, 485427), (71, 403383), (129, 222017), (159, 180127), (177, 161809), (213, 134461), (2279, 12567), (2537, 11289), (3053, 9381), (3127, 9159), (3763, 7611), (4189, 6837)]