78919191

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{503}}^1$

素因数の和:677

約数の個数: 40

約数和(自身を含む): 128066400

約数和(自身を除く): 49147209

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 149, 351, 447, 503, 1053, 1341, 1509, 1937, 4023, 4527, 5811, 6539, 12069, 13581, 17433, 19617, 40743, 52299, 58851, 74947, 156897, 176553, 224841, 529659, 674523, 974311, 2023569, 2922933, 6070707, 8768799, 26306397, 78919191]

約数ペア:

[(1, 78919191), (3, 26306397), (9, 8768799), (13, 6070707), (27, 2922933), (39, 2023569), (81, 974311), (117, 674523), (149, 529659), (351, 224841), (447, 176553), (503, 156897), (1053, 74947), (1341, 58851), (1509, 52299), (1937, 40743), (4023, 19617), (4527, 17433), (5811, 13581), (6539, 12069)]